Task: Question Generation
Input (English): Rugby league is mostly played by Samoans living in New Zealand and Australia,[citation needed] with Samoa reaching the quarter finals of the 2013 Rugby League World Cup made of players playing in the NRL, Super League and domestic players. Many Samoans and New Zealanders or Australians of Samoan descent play in the Super League and National Leagues in Britain. Francis Meli, Ta'ane Lavulavu of Workington Town, Maurie Fa'asavalu of St Helens and David Fatialofa of Whitehaven and Setima Sa who signed with London Irish rugby club. Other noteworthy players from NZ and Australia have represented the Samoan National team. The 2011 domestic Samoan rugby league competition contained 10 teams with plans to expand to 12 in 2012.
Output (English): How many teams played in the 2011 domestic Samoan rugby league competition?