Question: What numbered season did Arenafootball2 in 2009?
Sentence: Although the Arenafootball2 league played its tenth season in 2009, a conference call in December 2008 resulted in enough votes from owners and cooperation from the AFLPA for the AFL to suspend the entire 2009 season in order to create "a long-term plan to improve its economic model".
Answer in sentence: yes