What winning score has kraft nabisco championship as the tournament?
CREATE TABLE "lpga_tour_wins_9" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "to_par" text,
  "margin_of_victory" text,
  "runner_s_up" text,
  "winner_s_share" real
);
SELECT "winning_score" FROM "lpga_tour_wins_9" WHERE "tournament"='kraft nabisco championship';