user: Question: Who is the home team at Victoria Park on 20 April 1957?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['St Kilda', '12.16 (88)', 'South Melbourne', '7.17 (59)', 'Junction Oval', 37000.0, '20 April 1957']
SQL:

assistant: SELECT "Home team" FROM "Table" WHERE "Date" = '20 April 1957' AND "Venue" = 'Victoria Park';