'this controversial question' is a grammatically correct and usable phrase in written English.
You can use this phrase to refer to a question that is considered to be debatable or provocative. For example: "I'm not sure how to answer this controversial question: Should gun ownership be restricted?".
Even Donald Trump, who is known for being rude to his most mild of critics and never afraid of tough questions, laughed and lamented in exasperation that this controversial question, of all questions, that he was being asked just had to be the first question he received – and then couldn't nearly find the words to stand up in defense of our religious freedoms.
For instance, there was a article in Forbes in 2014 which is related to this controversial question [28].
To preserve our neutrality on this controversial question in this context, in the main text we use expressions such as 'best possible world' and 'maximally good possible world' to refer to either a possible world of unsurpassable goodness, a possible world governed by a being of unsurpassable virtue, or a possible world with an optimal balance of goodness and virtuous governance.
This study addresses this controversial question by testing the effects of SIRT1 on tumor formation and growth.
To pursue this controversial question this study was conducted to examine whether the advice to change answers after scrutiny was advantageous and if so, whether students in an undergraduate medical education environment would heed the advice and change considerably more answers, thereby improving their test performance as opposed to uninstructed students' changing behaviour in MC-examinations.
So far no significant evidence has been found to answer the controversial question whether this co-expression reflects a truly regulated expression or rather is a result from a persistent "leakage" from the initial high expression during early myogenesis.
This will allow us to obtain a definitive answer to the controversial question of the effect of timing of surgery with respect to patients' menstrual cycle phase on prognosis.
This analysis of nLTR-RT decay in stickleback sheds new light on the controversial question of genome size evolution.
One is the controversial question of identity.
But all aimed to settle the controversial question of human expansion from Africa.
But the great apes continue to rule the popular imagination, especially when it comes to the controversial question of language.
