2013 Big 12 Conference football season

Columns: Position | Player | Class | Team
DL | Chris McAllister | Sr | Baylor | DL | Ryan Mueller | Jr | Kansas State | DL | Charles Tapper | So | Oklahoma | DL | Calvin Barnett | Sr | Oklahoma State | DL | Jackson Jeffcoat | Sr | Texas | LB | Bryce Hager | Sr | Baylor | LB | Jeremiah George | Sr | Iowa State

Example questions:
What position is the player who currently plays in the XFL with the LA Wildcats , a team that participated in Big 12 Conference in 2013 ? | What college did the cornerback for the Washington Redskins , a team that participated in Big 12 Conference in 2013 , attend ? | What college did the eighth overall pick in the 2014 NFL Draft attend , drafted by a team that participated in Big 12 Conference in 2013 , ? | In what year did the Seattle Seahawks , a team that participated in Big 12 Conference in 2013 , draft the defnesive lineman from Texas ?

Answers:
DB | Oklahoma State | Oklahoma State | 2014