What was the gtc winning team when lmp winning team was #8 drayson racing?
CREATE TABLE "table1_24037660_2" (
  "rnd" real,
  "circuit" text,
  "lmp_winning_team" text,
  "lmpc_winning_team" text,
  "gt_winning_team" text,
  "gtc_winning_team" text,
  "results" text
);
SELECT "gtc_winning_team" FROM "table1_24037660_2" WHERE "lmp_winning_team"='#8 Drayson Racing';