Question: When was the American football quarterback born who was supposed to replace by Gabbert  in Week 3?
Sentence (from "2011 Jacksonville Jaguars season"): The Jacksonville Jaguars season was the franchise's 17th season in the National Football League and the 9th under head coach Jack Del Rio, who was fired on November 29 and replaced on an interim basis by defensive coordinator Mel Tucker.
Relevant evidence: No