What's the result when there's more than 41 moves with an opening of c42 petrov's defence in 2007?
CREATE TABLE "classical_games" (
  "white" text,
  "black" text,
  "year" real,
  "result" text,
  "moves" real,
  "tournament" text,
  "opening" text
);
SELECT "result" FROM "classical_games" WHERE "moves">41 AND "year"=2007 AND "opening"='c42 petrov''s defence';