Question: Chris Tarrant, known for his screamer, announced he was leaving Fremantle Football Club in which year?

Context paragraphs:
Josh Head: Josh Head (born 7 April 1983) is a former Australian rules footballer for the Fremantle Football Club in the Australian Football League (AFL).  He was selected with the 6th selection in the 2007 AFL Pre-season Draft from the South Fremantle Football Club in the WAFL.  He had previously been selected by Fremantle onto their rookie list in 2002 and 2003, but was delisted without playing an AFL game.

Robbie Tarrant: Robbie Tarrant (born 25 April 1989) is an Australian rules footballer who plays for the North Melbourne Football Club in the Australian Football League (AFL).  He is the younger brother of former Collingwood and Fremantle player, Chris Tarrant.

Fremantle Football Hall of Legends: The Fremantle Football Hall of Legends was inaugurated by the Fremantle Football Club in 1995, in recognition of the new Australian Football League team’s links with its home city’s football heritage.  The inductees are nominated by the two clubs from the Fremantle area in the West Australian Football League: East Fremantle and South Fremantle.  In time, players who represented Fremantle in the AFL will join their predecessors in this prestigious Hall.

Simon Eastaugh: Simon Eastaugh (born 12 June 1973) is a former Australian rules footballer who played for the Essendon Football Club and the Fremantle Football Club in the Australian Football League (AFL).  He also played for Norwood in the South Australian National Football League (SANFL) and both South Fremantle and East Fremantle in the West Australian Football League (WAFL).  He mainly played as a ruckman and has coached the Perth Football Club in the WAFL.  Eastaugh has also been an assistant coach at the West Coast Eagles and is now with the Fremantle Football Club.

Aaron Sandilands: Aaron Sandilands (born 6 December 1982) is an Australian rules footballer who plays for the Fremantle Football Club in the Australian Football League (AFL).  Originally from Mount Barker, a small town in the Great Southern region of Western Australia, Sandilands played with the East Fremantle Football Club in the West Australian Football League (WAFL), before being rookie listed by Fremantle in the 2002 Rookie Draft.  Upgraded from the rookie list at the end of the 2002 season, he made his senior debut for the club in round one of the 2003 season.  At 211 cm tall, and with a peak weight of 120 kg , Sandilands became the heaviest and equal-tallest player to ever play in the AFL.  Due to his height, Sandilands plays almost exclusively as a ruckman, occasionally resting in the forward line.  At times, he has been described as the best ruckman in the competition, and was named in the All-Australian team in three consecutive years between 2008 and 2010.  Sandilands is a dual Doig Medallist as Fremantle's best and fairest player, won in 2009 and 2015.

Paul Hasleby: Paul Hasleby (born 12 June 1981) is a former Australian rules footballer.  He played for the Fremantle Football Club in the Australian Football League (AFL) and the East Fremantle and South Fremantle Football Clubs in the West Australian Football League (WAFL).  He was the winner of the AFL Rising Star award in 2000, and coached South Fremantle from 2012 to 2014.

Spectacular mark: A spectacular mark (also known as a specky, speckie, speccy, screamer or hanger) is a mark (or catch) in Australian rules football that typically involves a player jumping up on the back of another player.

East Fremantle Football Club Hall of Fame: The East Fremantle Football Club Hall of Fame was launched on 2 July 2012 when 52 inductees were celebrated during a dinner at the East Fremantle Football Club Social Hall.  Despite being the most successful team in the West Australian Football League, the East Fremantle Football Club had never had a Hall of Fame, the closest being the 1997 Team of the Century, created to celebrate the club's 100th year.

Chris Tarrant (footballer): Chris Tarrant (born 18 September 1980) is a former Australian footballer who played for the Collingwood Football Club, and has also played for the Fremantle Football Club.  He announced at the end of the 2010 AFL season that he would return to Melbourne for personal reasons and would not extend his contract with Fremantle for the 2011 season.  He returned to the Collingwood Football Club via a trade.  He made his name as a key forward, but upon his move to Fremantle in 2009, Tarrant found a new position in the backline.  Tarrant was noted for his spectacular high marking, athleticism and pace on a lead.

1997 Westar Rules Grand Final: The 1997 Westar Rules Grand Final was an Australian rules football game contested between the South Fremantle Football Club and the East Fremantle Football Club, on 21 September 1997 at Subiaco Oval, to determine the premier team of the Westar Rules (known previously and since as the West Australian Football League, WAFL) for the 1997 season.  South Fremantle won the game by 6 points, 13.7 (85) to 11.13 (79), with David Hynes of South Fremantle winning the Simpson Medal as best on ground.

Supporting paragraphs: Chris Tarrant (footballer) Spectacular mark
Answer: 2010