question: Who was the EP winning team when the FM winning team was Brabham - Ford and the HM winning team was Osca?
answer: SELECT ep_winning_team FROM table_29225103_2 WHERE fm_winning_team = "Brabham - Ford" AND hm_winning_team = "Osca"
context: CREATE TABLE table_29225103_2 (ep_winning_team VARCHAR, fm_winning_team VARCHAR, hm_winning_team VARCHAR)