input: Background: From 2005 to 2014, there were two Major League Soccer teams in Los Angeles — the LA Galaxy and Chivas USA — that both played at the StubHub Center and were local rivals. However, Chivas were suspended following the 2014 MLS season, with a second MLS team scheduled to return in 2018.
  Question: How many teams did Los Angeles used to have?
  Answer:<extra_id_0>.
output: <extra_id_0> two<extra_id_1>