Table schema:
CREATE TABLE table_name_30 (loses INTEGER, draws VARCHAR, goals_scored VARCHAR, goals_conceded VARCHAR)

Question: What is the lowest number of loses of the club with more than 42 goals scored, more than 20 goals conceded, and less than 3 draws?
SQL: SELECT MIN(loses) FROM table_name_30 WHERE goals_scored > 42 AND goals_conceded > 20 AND draws < 3