The phrase "a single question for" is correct and usable in written English.
You can use it when you want to specify that you have one particular question directed at someone.
Example: "I have a single question for you regarding the project timeline."
Alternatives: "one question for" or "a specific question for".
The court ended up saying it'll allow a single question for Page from Uber, about whether a conversation took place between him and Otto co-founder Anthony Levandowski about Levandowski potentially going to Uber ahead of the August announcement regarding the ride-hailing company's acquisition of Otto.
Thomas Jefferson seated all his guests at one table for dinner, where he asked each guest a single question for all to hear...no side conversations or small-talk allowed.
47 48 Effort-reward imbalance is studied using a single question for effort and three questions for reward.
However, the true meaning of responses to a single question for a multi-dimensional construct and the reliability of this measure over time has been questioned (31, 32).
In addition, although previous research indicated that self-identification through a single question for an excessive behavior is a reliable and clinically meaningful tool in indentifying persons with addictive disorders, these studies concentrated on substance addictions, pathological gambling, and video gaming.
14 In contrast, the self-reported questionnaire item for medication use analysed in the present study asks participants a single question for each condition ('Are you currently taking the following medications?'), and high validity was observed, indicating that this mode of questioning is appropriate and reliable.
For example, some scientists have estimated that answering just a single question of risk for a single organism -- whether a type of biotech corn harms the monarch butterfly -- would cost $2 million to $3 million, more than the Agriculture Department typically grants each year for the study of environmental risk.
WASHINGTON ― Justice Anthony Kennedy, the key swing vote in a landmark redistricting case before the Supreme Court, did not ask a single question of lawyers challenging maps for the Wisconsin state assembly, but did ask lawyers for the state to clarify whether an electoral map could ever be so egregiously partisan that it could violate the First or 14th amendments.
"This whole budget debate is coming down to a single question: tolerance for risk," said Abraham M. Lackman, the budget director for the Republican Senate majority.
In a related and similar experiment, Kaufman et al. (2009) used a single question evaluation for creativity to assess short stories, with similar results.
Then it might be that we should look at the understanding of evolution as, in effect, a single question, calling for a single mode of analysis.
