Task: Question Understanding
Input (English): Passage: The 2008-09 QMJHL season was the 40th season of the Quebec Major Junior Hockey League . The regular season began on September 11, 2008, and ended on March 15, 2009. The 2008 ADT Canada Russia Challenge series, featuring Team QMJHL versus the Russian Selects, took place on November 17 and 19, 2008. Eighteen teams played 68 games each. The Drummondville Voltigeurs, who finished first overall in the regular season, went on to capture their first President's Cup vs. the Shawinigan Cataractes in a series they won 4-3.
Question: What date did the regular QMJHL  season complete?
Output (English): date