Question: Head coach of the 2017 New England Patriots was previously a head coach of what team?

Context articles: 2017 New England Patriots season
Bill Belichick
Karen Link
New England Patriots Radio Network
Josh Boyer
2009 Denver Broncos season
Patrick Graham (American football)
Tom Coughlin
2007 New England Patriots videotaping controversy
2012 New England Patriots season

The 2017 New England Patriots season is the franchise's 48th season in the National Football League, the 58th overall and the 18th under head coach Bill Belichick.
William Stephen Belichick ( ; born April 16, 1952) is an American football coach who is the head coach of the New England Patriots of the National Football League (NFL).
 Belichick has extensive authority over the Patriots' football operations, effectively making him the general manager of the team as well.
 He was previously the head coach of the Cleveland Browns.
Link is a NFL Cheerleader for the New England Patriots.
 She was born and raised in Terryville, Connecticut and attended Endicott College in Beverly, Massachusetts where she graduated with a degree in Communications.
 Link won the title of Miss Connecticut's Outstanding Teen in 2007 and went on to compete in Miss America's Outstanding Teen pageant.
 Her competition talent was a Spanish-influenced tap dance.
 Shortly after returning from the national pageant, Link was a passenger in a head-on collision and suffered a broken spine.
 After emergency surgery and rehabilitation, Link began dancing again.
 In 2014, Link was chosen to join the New England Patriots Cheerleaders and cheered at Super Bowl XLIX where the New England Patriots defeated the Seattle Seahawks.
 Link became captain of the Patriots Cheerleaders in 2016 and cheered at her second Super Bowl (Super Bowl LI), where the New England Patriots defeated the Atlanta Falcons.
The New England Patriots Radio Network is a CBS Radio network which carries live game broadcasts of the New England Patriots.
 The network's flagship station is WBZ-FM/98.5, located in Boston, Massachusetts.
 Gil Santos, former WBZ sports reporter who was known as the "Voice of the New England Patriots" retired after the 2012 season (during the Patriots' December win over the Dolphins that season part of Santos' radio call was simulcast by CBS television in recognition of his time with the team) and was replaced by Bob Socci, who now does the play-by-play with former Patriots quarterback Scott Zolak providing the color commentary and former Patriots linebacker Matt Chatham and WBZ-TV/WSBK-TV sports reporter Steve Burton providing the sideline reports.
 Marc Bertrand and "Boston Globe" sports columnist Chris Gasper host the pregame (when one of them is unavailable Greg Dickerson fills in), and the postgame show is hosted by Bertrand and former Patriot Steve DeOssie.
 Former hosts of the network's pre- and postgame show include Gary Tanguay, Andy Gresh, Bill Abbate, Mike Ruth, Tim Fox, and Pete Brock.
 Albert Breer is a regular guest analyst on the network's pre-game show.
Josh Boyer (born January 21, 1977) is an American football coach in the National Football League, currently serving as cornerbacks coach for the New England Patriots.
 After graduating from Muskingum College, where he played football as a wide receiver and defensive back, he began his coaching career in 2000 as a graduate assistant at King's College, Pennsylvania, and then served in the same capacity at the University of Dayton in 2001 and Kent State University in 2002 and 2003.
 In 2004, Boyer served as the defensive backs coach at Bryant University.
 He then served as the defensive coordinator at the South Dakota School of Mines and Technology in 2005 before joining the New England Patriots in 2006 as a defensive coaching assistant.
 He was promoted to defensive backs coach following the 2008 season.
 In 2012, his title was changed to cornerbacks coach.
 On February 5, 2017, Boyer was part of the Patriots coaching staff that won Super Bowl LI.
 In the game, the Patriots defeated the Atlanta Falcons by a score of 34–28 in overtime.
The Denver Broncos season was their 40th season in the NFL and 50th season overall.
 The Broncos matched their 8–8 regular season record from 2008, but did not make the playoffs.
 The Broncos welcomed many new defensive players signed during free agency, including veteran Eagles safety Brian Dawkins.
 This was their first season without head coach Mike Shanahan since , as he was fired on December 30, 2008.
 On January 12, 2009, Denver hired former New England Patriots' offensive coordinator Josh McDaniels as their new head coach.
 At the time of his hiring, McDaniels was the youngest head coach in any of the four major North American professional sports and the fifth-youngest NFL head coach ever, though less than a week later the Tampa Bay Buccaneers named the even-younger Raheem Morris as their head coach.
Patrick Graham (born January 24, 1979) is an American football coach who is the defensive line coach for the New York Giants of the National Football League (NFL).
 Graham played college football as a defensive lineman at Yale University, graduating with a bachelor's degree in sociology in 2002.
 After his college football career, he worked as a graduate assistant at Wagner College while also studying for an MBA.
 After two seasons at Wagner, Graham moved to the University of Richmond, where he was a defensive line coach in 2004 and then a tight ends coach in 2005 and 2006.
 In 2007, he was a defensive graduate assistant under head coach Charlie Weis at the University of Notre Dame.
 Following the 2008 season, Graham accepted a position as defensive line coach at the University of Toledo.
 However, he left the school in February 2009 to join the New England Patriots as a defensive coaching assistant, where Weis had formerly been an assistant coach under Patriots head coach Bill Belichick.
 In 2010, Graham's title was changed to defensive assistant coach.
 He was promoted to linebackers coach in 2011.
 In 2012, he moved to defensive line coach, and moved back to linebackers in 2014.
 In 2016, he was hired by the New York Giants as defensive line coach.
Thomas Richard "Tom" Coughlin ( ; born August 31, 1946) is the executive vice president of football operations for the Jacksonville Jaguars of the National Football League (NFL).
 He was the head coach for the New York Giants for 12 seasons.
 He led the Giants to victory in Super Bowl XLII and Super Bowl XLVI, both against the New England Patriots.
 Coughlin was also the inaugural head coach of the Jaguars, serving from 1995 to 2002 and leading the team to two AFC Championship Games. Prior to his head coaching career in the NFL, he was head coach of the Boston College Eagles football team from 1991 to 1993, and served in a variety of coaching positions in the NFL as well as coaching and administrative positions in college football.
The 2007 New England Patriots videotaping controversy, widely dubbed "Spygate", refers to an incident during the National Football League's (NFL) 2007 season when the New England Patriots were disciplined by the league for videotaping New York Jets' defensive coaches' signals from an unauthorized location during a September 9, 2007 game.
 Videotaping opposing coaches is not illegal in the NFL de jure, but there are designated areas allowed by the league to do such taping.
 Because the Patriots were instead videotaping the Jets' coaches from their own sideline during the game, NFL Commissioner Roger Goodell deemed it to be in violation of league rules, stating that the act represented a calculated and deliberate attempt to avoid long-standing rules designed to encourage fair play and promote honest competition on the playing field.
 After an investigation, the NFL fined Patriots head coach Bill Belichick $500,000 (the maximum allowed by the league and the largest fine ever imposed on a coach in the league's 87-year history) for his role in the incident, fined the Patriots $250,000, and docked the team their original first-round selection in the 2008 NFL Draft which would have been the 31st pick of the draft.
 The fine garnered significant media attention for being the "maximum amount" an individual could be fined.
The New England Patriots season was the franchise's 43rd season in the National Football League and 53rd overall.
 The Patriots did not improve upon their 13–3 record, finishing at 12–4, but did win the AFC East for the fourth season in a row, and a first-round bye as one of the top two seeds in the AFC for the third consecutive year.
 This season marks head coach Bill Belichick's 13th season as Patriots head coach, and the 11th season in which the Patriots played all of their home games at Gillette Stadium.