What date was Adelaide the home team?
CREATE TABLE table_16388478_4 (date VARCHAR, home_team VARCHAR)
SELECT date FROM table_16388478_4 WHERE home_team = "Adelaide"
### Context: CREATE TABLE table_16388478_4 (date VARCHAR, home_team VARCHAR) ### Question: What date was Adelaide the home team? ### Answer: SELECT date FROM table_16388478_4 WHERE home_team = "Adelaide"