CREATE TABLE "table1_29225103_2" (
  "rnd" text,
  "circuit" text,
  "ap_winning_team" text,
  "bp_winning_team" text,
  "cm_winning_team" text,
  "cp_winning_team" text,
  "dm_winning_team" text,
  "dp_winning_team" text,
  "em_winning_team" text,
  "ep_winning_team" text,
  "fm_winning_team" text,
  "fp_winning_team" text,
  "gm_winning_team" text,
  "gp_winning_team" text,
  "hm_winning_team" text,
  "hp_winning_team" text,
  "results" text
);

Question: Who was the EP winning team when the CP winning team was Dave Clark and the GM winning team was Stuart Northrup?
SQL: SELECT "ep_winning_team" FROM "table1_29225103_2" WHERE "cp_winning_team"='Dave Clark' AND "gm_winning_team"='Stuart Northrup';

Question: Who was the CM winning team when the FM winning team was #17 Elva - Ford?
SQL: SELECT "cm_winning_team" FROM "table1_29225103_2" WHERE "fm_winning_team"='#17 Elva - Ford';

Question: Who the GM winning team when the EP winning team was #37 Porsche? 
SQL: SELECT "gm_winning_team" FROM "table1_29225103_2" WHERE "ep_winning_team"='#37 Porsche';

Question: Who was the EP winning team when the FM winning team was Brabham - Ford and the HM winning team was Osca?
SQL: SELECT "ep_winning_team" FROM "table1_29225103_2" WHERE "fm_winning_team"='Brabham - Ford' AND "hm_winning_team"='Osca';

Question: Who was the HP winning team when the EP winning team was Hans Zereis and the GM winning team was Charles Gibson? 
SQL: SELECT "hp_winning_team" FROM "table1_29225103_2" WHERE "ep_winning_team"='Hans Zereis' AND "gm_winning_team"='Charles Gibson';