On what date did Collingwood play at home?
CREATE TABLE table_name_20 (date VARCHAR, home_team VARCHAR)
SELECT date FROM table_name_20 WHERE home_team = "collingwood"
### Context: CREATE TABLE table_name_20 (date VARCHAR, home_team VARCHAR) ### Question: On what date did Collingwood play at home? ### Answer: SELECT date FROM table_name_20 WHERE home_team = "collingwood"