Question: Jack Del Rio was a lineback for how many NFL teams
Sentence (from "Mike Del Rio"): As a record producer, Del Rio's eclectic style and musicality has led him to work with an array of artist such as Kylie Minogue, Selena Gomez, Eminem, Christina Aguilera, Cee Lo Green, Cheryl Cole, The Knocks, Skylar Grey, Jamie N Commons, and X Ambassadors.
Relevant evidence: No