On which date was the position less than 4 at Piraeus?
CREATE TABLE table_name_27 (date VARCHAR, pos VARCHAR, venue VARCHAR)
SELECT date FROM table_name_27 WHERE pos < 4 AND venue = "piraeus"
### Context: CREATE TABLE table_name_27 (date VARCHAR, pos VARCHAR, venue VARCHAR) ### Question: On which date was the position less than 4 at Piraeus? ### Answer: SELECT date FROM table_name_27 WHERE pos < 4 AND venue = "piraeus"