Question: What is the name of the youngest coordinator in the NFL who is the head coach and general manager of the San Francisco 49ers in their 68th season in the National Football League?
Sentence (from "Kyle Shanahan"): Kyle Michael Shanahan (born December 14, 1979) is an American football coach who is currently the head coach and offensive coordinator for the San Francisco 49ers of the National Football League (NFL).
Relevant evidence: No