The phrase "a single question to" is correct and usable in written English.
It can be used when introducing a specific inquiry or request directed towards someone or something.
Example: "I have a single question to ask before we proceed with the meeting."
Alternatives: "one question for" or "a solitary question to".
He did not devote a single question to the matter of Ms. Cook's international experience.
And my worry was that while I quite enjoyed his new documentary series, I couldn't think of a single question to ask about it.
IN his short documentary "Chambre 666," the German director Wim Wenders posed a single question to fellow directors during the 1982 Cannes International Film Festival, asking each of them about the future of cinema.
The president made the comments after UK journalists were allowed a single question to each leader, allowing the BBC to press him on why the British public should be pleased about such a high level of cooperation with a country that has a deeply troubling record on human rights.
All were asked to rate their spirituality by answering a single question: "To what extent do you believe in God?" The results, published in The Journal of Affective Disorders, revealed that about 80 percent of participants reported some belief in God.
The Scottish secretary has said he would prefer a single question to be put in the independence referendum about Scotland leaving the UK.
A positive history of CSA was determined on the basis of participants' response to a single question as to whether they had negative sexual experiences prior to age 18 years.
We must say a few words here about the methodological limitations raised by the use of a data collection technique that is based on statements produced in response to a single question posed to the participants.
And Wildstein, who resigned as the No. 2 deputy at the Port Authority in December, has been found guilty of a misdemeanor for refusing to answer a single question posed to him by an investigative committee Thursday.
During the trial, the judge never asked a single question related to the matter, while the prosecutor failed to produce any proof of us actually posting unlawful materials on our website.
The advisory meeting ended in a 17-6 vone on a single question put to the panel for a vote: whether the labels should "further clarify the duration of use" of the drugs.
