There are 13 Question & Answer trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Question & Answer #58 at $0.25 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/question-answerQuestion & Answer Cards
13 cards · Baseball
All Question & Answer Cards
Question & Answer #58
$0.25
Question & Answer #59
$0.25
Question & Answer #66
$0.25
Question & Answer #70
$0.25
Question & Answer #72
$0.25
Question & Answer #63
$0.25
Question & Answer #64
$0.25
Question & Answer #67
$0.25
Question & Answer #68
$0.25
Question & Answer #71
$0.25
Question & Answer #57
$0.25
Question & Answer #65
$0.25
Question & Answer #69
$0.25