Question: The 2009 Tennessee Titans switched their quarterback during the year to the player who was drafted in what year?

Context paragraphs:
List of Tennessee Titans seasons: This is a list of seasons completed by the Tennessee Titans, an American football franchise of the National Football League (NFL).  The list documents the season-by-season records of the Titans' franchise from 1960 to the present, including postseason records and league awards for individual players or head coaches.  The Titans were originally known as the Houston Oilers and were a part of the inaugural season of the American Football League (AFL) in 1960.  In 1997, the franchise moved to Tennessee, playing in Memphis temporarily until settling in Nashville.  The team was rebranded as the Titans following the 1998 season.  The Titans have yet to win a Super Bowl, falling short in their only appearance in Super Bowl XXXIV, although the team does have two championships from its early years in the AFL.  During their tenure in Tennessee they have defeated all 31 other franchises at least once, enjoying a perfect record against the Detroit Lions (5-0).

Vince Young: Vincent Paul Young Jr. (born May 18, 1983) is an American football quarterback who is currently a free agent.  Young played in the National Football League (NFL) for six seasons.  Young was drafted by the Tennessee Titans with the third overall pick in the 2006 NFL Draft.  He spent the first five seasons of his career with the Titans.  In his rookie season, Young was named the NFL Offensive Rookie of the Year and was named to the AFC Pro Bowl team as a reserve.  In 2009, Young earned his second Pro Bowl selection and was named "Sporting News" NFL Comeback Player of the Year.

2009 Tennessee Volunteers football team: The 2009 Tennessee Volunteers football team represented the University of Tennessee in the 2009 NCAA Division I FBS football season.  The team was coached by Lane Kiffin.  The 2009 season was Kiffin's first and only at Tennessee; he left to take the head coaching job at the University of Southern California (USC) on January 12, 2010.  The Vols played their home games in Neyland Stadium and competed in the Eastern Division of the SEC.  The Vols finished the season 7–6, 4–4 in SEC play, and lost in the Chick-fil-A Bowl 37–14 to Virginia Tech.

List of Tennessee Titans first-round draft picks: The Tennessee Titans are a National Football League (NFL) franchise that began play as the Houston Oilers in 1960, a charter member of the American Football League.  The Oilers relocated to Nashville, Tennessee in 1997, playing as the Tennessee Oilers before changing their name to the Tennessee Titans in 1999.  The Titans' first draft selection was Billy Cannon, a halfback from Louisiana State University.  The team's most recent first round selection was Marcus Mariota, a quarterback from the University of Oregon.  The Titans have selected the number one overall pick in the draft twice.  They have also selected the second overall pick thrice and the third overall pick six times.  The team's five selections from the University of Texas are the most chosen by the Titans from one university.

List of Tennessee Titans head coaches: The Tennessee Titans, previously known as the Houston Oilers, are a professional American football team based in Nashville, Tennessee.  They are a member of the South division of the American Football Conference (AFC) in the National Football League (NFL).  The Tennessee Titans have had 18 head coaches in its franchise history.  As the Houston Oilers based in Houston, Texas, the team began playing in 1960 as a charter member of the American Football League (AFL).  The Oilers won two AFL championships before joining the NFL as part of the AFL-NFL merger.  The team relocated to Tennessee in 1997 and played in Memphis for one season before moving to Nashville.  For two seasons, the team was known as the Tennessee Oilers before changing its name to the Titans in 1999.

Tennessee Titans Cheerleaders: The Tennessee Titans Cheerleaders are the cheerleading squad of the Tennessee Titans of the NFL.  The squad performs a variety of dance moves during home games at Nissan Stadium, and performs with Titans mascot T-Rac, as well as their junior squad.  The squad was established in 1975 as the Derrick Dolls, and changed to the current name when the Titans (then known as the Oilers) moved to Tennessee.  The group currently has 25 cheerleaders.  The squad also makes USO trips, with the members making trips to Kuwait and Diego Garcia for their All-Star Super Bowl Tour.  The squad holds auditions at Baptist Sports Park.  Other than performances on the field, the squad also has made appearances on "The Oprah Winfrey Show" and "The Dr. Oz Show".  Annually, the squad makes a swimsuit calendar.  The squad also makes appearances off the field.

Henry Ford (defensive lineman): Henry Ford (born October 30, 1971 in Fort Worth, Texas) is a former American football defensive tackle in the National Football League.  Ford played most of his career for the Houston Oilers / Tennessee Oilers / Tennessee Titans, and played one year for the New Orleans Saints.  Ford was drafted in the 1st round of the 1994 NFL Draft by the Oilers out of the University of Arkansas.  In 1999, the Titans made it to Super Bowl XXXIV in which Ford appeared as a substitute, however they lost to the Kurt Warner-led St. Louis Rams.

Marcus Mariota: Marcus Ardel Taulauniu Mariota (born October 30, 1993) is an American football quarterback for the Tennessee Titans of the National Football League (NFL).  He was drafted by the Titans second overall in the 2015 NFL Draft.  He played college football at Oregon where he was the starting quarterback from 2012 to 2014.  As a junior in 2014, Mariota became the first Oregon player and Hawaii-born athlete to ever win the Heisman Trophy.

2009 Tennessee Titans season: The Tennessee Titans season is the 50th season for the original American Football League team, their 40th in the NFL, and 13th in Tennessee.  The Titans aimed to equal or improve on their 2008 NFL best 13–3 record; however, they lost the first 6 games of that season.  The Titans switched their starting QB to Vince Young and won 7 out of their next 8 games before a 42–17 loss to the Chargers in Week 16 eliminated the team from playoff contention.

Matt Sewell: Matthew Sewell (born January 26, 1990) is a Canadian football offensive lineman who played in the Canadian Football League.  After the 2012 CIS season, he was ranked as the fourth best player in the Canadian Football League’s Amateur Scouting Bureau final rankings for players eligible in the 2013 CFL Draft and third by players in Canadian Interuniversity Sport.  Sewell was drafted in the first round, eighth overall by the Toronto Argonauts, despite having signed with the Tennessee Titans of National Football League.  He played college football for the McMaster Marauders and helped them to win the 47th Vanier Cup After being released by the Titans near the end of May 2013, Sewell decided to return play one more year of CIS football with the McMaster Marauders while completing his Masters of Business Administration.

Supporting paragraphs: 2009 Tennessee Titans season Vince Young
Answer: 2006