user: Question: On what date was the venue at Edgbaston?
Columns: ['Date', 'Home captain', 'Away captain', 'Venue', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['6,7,8,9,10 June 1991', 'Graham Gooch', 'Viv Richards', 'Headingley', 'ENG by 115 runs']
SQL:

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