Table schema:
CREATE TABLE table_name_95 (gain INTEGER, loss VARCHAR, long VARCHAR, gp_gs VARCHAR)

Question: Name the lowest Gain which has a Long of 0, and a GP-GS of 4–0, and a Loss smaller than 3?
SQL: SELECT MIN(gain) FROM table_name_95 WHERE long = 0 AND gp_gs = "4–0" AND loss < 3