user: Question: What was the home team's score at the game played at punt road oval with a crowd over 20000?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Essendon', '13.11 (89)', 'Melbourne', '12.7 (79)', 'Windy Hill', 15000.0, '30 August 1930']
SQL:

assistant: SELECT "Home team score" FROM "Table" WHERE "Crowd" > 20000.0 AND "Venue" = 'punt road oval';