CREATE TABLE table_29225103_2 (ep_winning_team VARCHAR2, cp_winning_team VARCHAR2, gm_winning_team VARCHAR2)

Who was the EP winning team when the CP winning team was Dave Clark and the GM winning team was Stuart Northrup?
SELECT ep_winning_team FROM table_29225103_2 WHERE cp_winning_team = "Dave Clark" AND gm_winning_team = "Stuart Northrup"
SELECT "ep_winning_team" FROM "table_29225103_2" WHERE "Dave Clark" = "cp_winning_team" AND "Stuart Northrup" = "gm_winning_team"