Question: The 2013 Denver Broncos were coached by which now-coach of the Chicago Bears?

Context paragraphs:
Emery Moorehead: Emery Matthew Moorehead (born March 22, 1954) is a former American football tight end/wide receiver in the National Football League for the New York Giants, Denver Broncos, and the Chicago Bears.  He won a Super Bowl ring as the starting tight end and a member of the 1985 Chicago Bears.  Moorehead played college football at the University of Colorado at Boulder where he captained the 1976 Big 8 champion Buffalos and was drafted in the sixth round of the 1977 NFL Draft.

Alex Gibbs: Alex Gibbs (born February 22, 1941) is a former NFL offensive line coach and former assistant NFL head coach.  He formerly served as an offensive line consultant for the American football team the Denver Broncos.  Gibbs is a well known proponent of the Zone Blocking scheme and popularized its use while he was Offensive line coach of the Denver Broncos.  Denver became famous at that time for its use of smaller and more agile offensive linemen and the success of its running backs, most notably Terrell Davis.  Gibbs was to enter his first season on Pete Carroll's Seattle Seahawks staff as the Assistant Head Coach and Offensive Line coach in 2010, but announced his unexpected retirement a week before the start of the NFL's 2010 regular season.  In May 2013 he returned to the Denver Broncos in a consultant role for one year.

John Fox (American football): John Fox (born February 8, 1955) is an American football coach who is the head coach of the Chicago Bears of the National Football League (NFL).  He has also coached the Carolina Panthers and the Denver Broncos, with whom he won an NFC Championship and an AFC Championship, respectively, but lost both of his coaching appearances in the Super Bowl.

Adam Gase: Adam Gase (born March 29, 1978) is an American football coach who is the head coach of the Miami Dolphins of the National Football League (NFL).  Gase has also coached for the LSU Tigers, Detroit Lions, San Francisco 49ers, Denver Broncos and Chicago Bears.

2013 Denver Broncos season: The 2013 Denver Broncos season was the franchise's 44th season in the National Football League and the 54th overall.  It also marked the 30th under the ownership of Pat Bowlen, the second with Peyton Manning as the team's starting quarterback and the third under head coach John Fox.

Clancy Barone: Clarence Barone is the current tight ends coach of the Minnesota Vikings.  Barone coached as the offensive line coach for the Denver Broncos in 2010, as well as from 2015-2016.  As the Offensive Line Coach for the Denver Broncos, his offensive line paved the way to victory in Super Bowl 50 over the Carolina Panthers.  He also served as the Broncos' tight ends coach in 2009, as well as the 2011-2014 season, which includes their Offensive record breaking season of 2013 and an appearance in Super Bowl XLVIII.  He has also served as offensive line and tight ends coach for the Atlanta Falcons, as well as tight ends coach for the San Diego Chargers.  Barone worked with All-Pro players Alge Crumpler (Falcons) and Antonio Gates (Chargers), and Julius Thomas (Broncos) all of whom made multiple Pro Bowl appearances under his guidance.

Denver Broncos Cheerleaders: The Denver Broncos Cheerleaders are the official cheerleading squad of the Denver Broncos.  In addition to performing on game days, the Denver Broncos Cheerleaders annually commit close to 1,000 hours to various charities and events in Denver and the state of Colorado.

Dean Griffing: Orrin Dean Griffing (born May 17, 1915 – February 9, 1998) was a gridiron football player, coach, and executive.  He played as a center and linebacker for the Kansas State University in 1933 and 1934, for the Regina Roughriders from 1936 to 1943, for Toronto Balmy Beach Beachers in 1944, and the Calgary Stampeders from 1945 to 1947; the last he also part owned.  Griffing was inducted into the Canadian Football Hall of Fame in 1965.  He coached Saskatchewan during the mid-1950s.  In 1960, Griffing became the first general manager of the Denver Broncos, selected in part because of his known and needed frugality.  He was responsible for the team's unappealing brown and yellow uniform and ugly socks, which he had bought secondhand from a high school all-star game.  He later worked as special assignment scout for the Chicago Bears.

Chris Brewer: Christopher Brewer (born January 23, 1962) is a former American football running back who played two seasons in the National Football League with the Denver Broncos and Chicago Bears.  He was drafted by the Broncos in the ninth round of the 1984 NFL Draft.  He played college football at the University of Arizona and attended George Washington High School in Denver, Colorado.  Brewer was also a member of the Denver Dynamite and New England Steamrollers of the Arena Football League.

1986 NFL season: The 1986 NFL season was the 67th regular season of the National Football League.  The defending Super Bowl Champion Chicago Bears shared the league's best record with the Giants at 14-2, with the Giants claiming the spot in the NFC by tiebreakers.  In the AFC, the Cleveland Browns earned home-field advantage with a record of 12-4, and they hosted the New York Jets in round one of the AFC playoffs.  The Jets had started the season at 10-1 before losing their final five contests.  The game went to double OT, with the Browns finally prevailing 23-20.  The following Sunday, John Elway and the Denver Broncos defeated the Browns by an identical score in the game known as The Drive, where Elway drove his team 98 yards to send the game to overtime to win.  The Giants would defeat their rival Washington Redskins in the NFC title game, blanking them 17-0 to advance to their first Super Bowl.  The season ended with Super Bowl XXI when the New York Giants defeated the Denver Broncos 39-20 at the Rose Bowl to win their first league title in 30 years.

Supporting paragraphs: 2013 Denver Broncos season John Fox (American football)
Answer: John Fox