What is Opponent In The Final, when Year is "1942"?
CREATE TABLE "pro_slam" (
  "outcome" text,
  "year" real,
  "pro_slam_championship" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);
SELECT "opponent_in_the_final" FROM "pro_slam" WHERE "year"=1942;