user: Question: When the away team scored 10.15 (75) and the crowd was larger than 20000 people, what was the home team playing?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '13.11 (89)', 'South Melbourne', '15.19 (109)', 'Punt Road Oval', 27000.0, '5 May 1945']
SQL:

assistant: SELECT "Home team" FROM "Table" WHERE "Crowd" > 20000.0 AND "Away team score" = '10.15 (75)';