user: Question: When did the venue of Round 3 happen?
Columns: ['Date', 'Home team', 'Score', 'Away team', 'Venue', 'Crowd', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Round 1', 'Round 1', 'Round 1', 'Round 1', 'Round 1', 'Round 1', 'Round 1']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Venue" = 'Round 3';