question: Who was a linebacker for four NFL teams between 1985-1996 and was also head coach of the Oakland raiders in 2015?
answer: Jack Del Rio
context: Title: List of Oakland Raiders head coaches
  Passage: There have been 20 head coaches for the Oakland Raiders of the National Football League (NFL).  The Raiders franchise was founded in Oakland, California in 1959 and became the eighth member of the American Football League (AFL) in 1960 as a replacement for the Minnesota Vikings, who had moved to the NFL.  The Raiders joined the NFL in 1970, after the AFL–NFL merger.  They played in Los Angeles between 1982 and 1995, before returning to Oakland.  As of the end of the 2015 season, the Raiders have played 852 games in a total of 56 seasons in the AFL and NFL.  In those games, two coaches have won the Super Bowl with the team: John Madden in 1976 and Tom Flores in 1980 and 1983.  One coach, John Rauch in 1966, won the AFL Championship.  Three other coaches, Art Shell, Jon Gruden and Bill Callahan, have also taken the Raiders to the playoffs.  Callahan led the Raiders to the Super Bowl.  He did this in his first year as head coach of the team.
  Title: John Henry Mills
  Passage: John Henry Mills (born October 31, 1969 in Jacksonville, Florida) was an American football running back, linebacker and tight end in the NFL for the Houston Oilers, Oakland Raiders and the Minnesota Vikings.  Mills was selected to the Pro Bowl after the 1996 season as a special teams captain.  He played college football at Wake Forest University where he was an Alpha Sigma Phi.  Mills is currently an inside linebacker coach for Clear Lake High School, in Houston, Texas.  John Henry Mills was a four-year letterman at tight end under head coach Bill Dooley.  Mills is Wake's all-time leading receiver among tight ends with 142 receptions for 1,652 yards.  A three-time All-ACC first-team selection from 1990 through 1992, he finished third in the ACC in receptions in 1990 with 46 and led the league in 1991 with 51.  Against Duke in 1990, he caught 12 passes for 230 yards, still the second-most receiving yards in a game in school history.  Mills is also announced in the 2008 ACC Football Championship Game Legends Class.  A fifth-round pick of the Houston Oilers in the 1993 NFL Draft, Mills played seven seasons in the NFL with Houston, Oakland and Minnesota.  In 1996, while with the Oilers, he earned All-Pro honors as a special teams player.
  Title: Connor Cook
  Passage: Connor Cook (born January 29, 1993) is an American football quarterback for the Oakland Raiders of the National Football League (NFL).  He played college football for the Michigan State Spartans and was their starting quarterback from 2013 to 2015.  He holds the record for most career wins at Michigan State.  Cook was selected in the fourth round of the 2016 NFL Draft by the Oakland Raiders.  After initially serving as the third-string backup to Derek Carr and Matt McGloin, Cook played in his first NFL game in the Raiders' last regular season game of the 2016 NFL season after Carr and McGloin suffered injuries.  Following this, he was named the starter for the Raiders' playoff game against the Houston Texans and became the first quarterback in NFL history to make his first career start in a playoff game.
  Title: Jack Del Rio
  Passage: Jack Louis Del Rio Jr. (born April 4, 1963) is head coach of the Oakland Raiders of the National Football League (NFL).  A linebacker for four NFL teams between 1985–1996, he played both football and baseball for the University of Southern California Trojans.
  Title: 2017 Oakland Raiders season
  Passage: The 2017 Oakland Raiders season is the 58th overall season of the Oakland Raiders franchise, the franchise's 48th season in the National Football League, their 24th season since their return to Oakland, and the third under head coach Jack Del Rio.  The Raiders are looking to win their first AFC West title since 2002 and the Super Bowl for the first time since 1983, when the club was still in Los Angeles.  The Raiders began the season on September 10 at the Tennessee Titans and will finish the season December 31 at the Los Angeles Chargers.  The Raiders, as they did in 2016, will play one home game in Mexico City, this time against the New England Patriots.
citations: 2017 Oakland Raiders season Jack Del Rio