user: Question: What was the venue of the competition that held the 1st position in 2011?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2001.0, 'African Junior Championships', 'Réduit , Mauritius', '1st', "3000 m s'chase"]
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Position" = '1st' AND "Year" = 2011.0;