Question: In which city do Greater Western play at the Spotless Stadium?

Context paragraphs:
Blacktown ISP Oval: Blacktown ISP Oval is a AFL and cricket facility located in Rooty Hill, a suburb in Sydney, Australia.  In 2009, a stadium with a capacity of 10,000 people was constructed.  In 2010, the facility was used as a training and administration base for the Greater Western Sydney Giants before they abandoned the stadium & training facilities, after complaining the Blacktown training facilities were not up to their standard, and moved to Homebush.  The venue hosted one AFL Premiership game, between Greater Western Sydney and West Coast Eagles, in Round 3, 2012.  The venue has also been used for pre-season NAB Cup matches featuring both Greater Western Sydney and the Sydney Swans, as well as for the Greater Western Sydney Giants' women's team's home matches.  In 2013, Greater Western Sydney moved their main training facility to Sydney Olympic Park.

Kieran Collins (Australian footballer): Kieran Collins (born 14 December 1997) is an Australian rules footballer playing for the Western Bulldogs in the Australian Football League (AFL).  He was drafted by the Western Bulldogs with their second selection and twenty-sixth overall in the 2015 national draft.  He made his debut in the twenty-five point loss against Greater Western Sydney in round 9, 2016 at the Spotless Stadium.

Zach Guthrie: Zach Guthrie (born 30 June 1998) is a professional Australian rules footballer playing for the Geelong Football Club in the Australian Football League (AFL).  He was drafted by Geelong with their second selection and thirty-third overall in the 2017 rookie draft.  He made his debut in the draw against Greater Western Sydney at Spotless Stadium in round fifteen of the 2017 season.

Sydney Showground Stadium: Sydney Showground Stadium (commercial name Spotless Stadium, previously Škoda Stadium) is a sports and events stadium located at the Sydney Showground in Sydney Olympic Park.  The Showground, including the stadium, is operated by the Royal Agricultural Society of NSW (RAS), under lease from the NSW Government.

Jackson Ramsay: Jackson Ramsay (born 20 November 1994) is a professional Australian rules football player at the Collingwood Football Club in the Australian Football League (AFL).  He was recruited by the club with draft pick #38 in the 2012 AFL Draft.  He made his debut in Round 22, 2014, against Greater Western Sydney at Spotless Stadium, following the previous round's injury crisis.  After the match he was mentioned as one of the outstanding younger players of the team by the coach Nathan Buckley.

Harry Perryman: Harry Perryman (born 19 December 1998) is a professional Australian rules footballer playing for the Greater Western Sydney Giants in the Australian Football League (AFL).  He was drafted by Greater Western Sydney with their third selection and fourteenth overall in the 2016 national draft.  He made his debut in the three point win against Richmond at Spotless Stadium in round nine of the 2017 season.  Perryman is one of two current Giants players from the small town of Collingullie, New South Wales, along with Matthew Kennedy.  They played together for most of their junior career.

Greater Western Sydney Giants: The Greater Western Sydney Giants, nicknamed the GWS Giants or just Giants, is a professional Australian rules football club which plays in the Australian Football League (AFL).  Representing the Greater Western Sydney area and Canberra, the club is based at the Tom Wills Oval in Sydney Olympic Park.  The team's primary home ground is Spotless Stadium in Sydney Olympic Park.  Four games a year are played at Manuka Oval in Canberra as part of a deal with the government of the Australian Capital Territory.

Daniel Lloyd (footballer): Daniel Lloyd (born 18 February 1992) is a professional Australian rules footballer playing for the Greater Western Sydney Giants in the Australian Football League (AFL).  He was drafted by Greater Western Sydney with their second selection and twenty-sixth overall in the 2016 rookie draft.  He made his debut in the three point win against Collingwood at Spotless Stadium in round eight of the 2017 season.

Caleb Marchbank: Caleb Marchbank (born 7 December 1996) is a professional Australian rules footballer playing for the Carlton Football Club in the Australian Football League (AFL).  He was recruited by Greater Western Sydney with their second selection and sixth overall in the 2014 national draft.  He made his debut in the fifty-six point loss against at Spotless Stadium in round 12, 2015.  In September 2016, Marchbank requested a trade from Greater Western Sydney and nominated Carlton as his preferred club.  He was officially traded to Carlton in October.

Jeremy Finlayson: Jeremy Finlayson (born 9 February 1996) is a professional Australian rules footballer playing for the Greater Western Sydney Giants in the Australian Football League (AFL).  He was drafted by Greater Western Sydney with their sixth selection and eighty-third overall in the 2014 national draft.  He made his debut in the draw against Geelong at Spotless Stadium in round fifteen of the 2017 season.

Supporting paragraphs: Zach Guthrie Sydney Showground Stadium
Answer: Sydney