user: Question: what is the competition on 10 August 2011?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['10 October 2010', 'Stade Général Seyni Kountché , Niamey', '1–0', '1–0', '2012 Africa Cup of Nations qualifier']
SQL:

assistant: SELECT "Competition" FROM "Table" WHERE "Date" = '10 August 2011';