Table schema:
CREATE TABLE table_name_51 (stage VARCHAR, time__eest_ VARCHAR, rally_leader VARCHAR, winner VARCHAR)

Question: Name the stage for m. grönholm and winner of s.loeb with time of 17:57
SQL: SELECT stage FROM table_name_51 WHERE rally_leader = "m. grönholm" AND winner = "s.loeb" AND time__eest_ = "17:57"