QUES

Set to 5 different clues across 7 published puzzles, most often “Opposite of an ans.” — The New York Times, Monday, 21 February 2005.

4 letters

Every clue on record, most used first

Opposite of an ans.3 times
The New York Times — Monday, 21 February 2005
Topic for debate: Abbr.once
The New York Times — Thursday, 14 July 2011
Survey part: Abbr.once
The New York Times — Friday, 29 June 2007
Who, what or where sentence: Abbr.once
The New York Times — Monday, 21 February 2000
Inquiry: Abbr.once
The New York Times — Sunday, 14 July 1996