user: Question: What was the name of the competition that took place on May 31, 2008?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['March 26, 2005', 'Larnaca', '2–1', 'Loss', 'Friendly Match']
SQL:

assistant: SELECT "Competition" FROM "Table" WHERE "Date" = 'May 31, 2008';