2012 RFL Championship

Columns: Team & Current Season | Stadium | Capacity | Location
Batley Bulldogs | Mount Pleasant | 6,000 | Batley , West Yorkshire | Dewsbury Rams | Tetley 's Stadium | 3,500 | Dewsbury , West Yorkshire | Featherstone Rovers | Bigfellas Stadium | 6,750 | Featherstone , West Yorkshire | Halifax | The Shay Stadium | 6,561 | Halifax , West Yorkshire | Hunslet Hawks | South Leeds Stadium | 4,000 | Leeds , West Yorkshire | Keighley Cougars | Cougar Park | 7,800 | Keighley , West Yorkshire | Leigh Centurions | Leigh Sports Village | 12,700 | Leigh , Greater Manchester | Sheffield Eagles | Bramall Lane | 32,702 | Sheffield , South Yorkshire | Swinton Lions | Leigh Sports Village | 12,700 | Leigh , Greater Manchester | York City Knights | Huntington Stadium | 3,428 | York , North Yorkshire

Example questions:
What is the capacity of the RFL Championship stadium that was renamed to honor John Charles ? | Which 2012 RFL Championship team has won 3 challenger cups and have the lowest city population ? | Which team 2012 RFL Championship has also won the same number of challenge cups with the team who 's stadium is also known as Crown Flatt ? | For the 2012 RFL Championship team that has won six championships , what is the name of the team who has a higher stadium capacity ? | What is the name of the 2012 RFL Championship team that has a location with the smallest given city population ?

Answers:
4,000 | Featherstone Rovers | Leigh Centurions | Sheffield Eagles | Featherstone Rovers