What is Trailing Party % Votes, when Party Won is "Bharatiya Janta Party", and when Trailing Party is "Indian National Congress"?
CREATE TABLE "members_of_parliament" (
  "year" real,
  "lok_sabha" text,
  "members_of_parliament" text,
  "party_won" text,
  "winner_s_pct_votes" text,
  "trailing_party" text,
  "trailing_party_pct_votes" text
);
SELECT "trailing_party_pct_votes" FROM "members_of_parliament" WHERE "party_won"='bharatiya janta party' AND "trailing_party"='indian national congress';