What is the Tournament with a Date larger than 1973, with Opponents in the final with hank pfister sherwood stewart?
CREATE TABLE "doubles_titles_12" (
  "outcome" text,
  "date" real,
  "tournament" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);
SELECT "tournament" FROM "doubles_titles_12" WHERE "date">1973 AND "opponents_in_the_final"='hank pfister sherwood stewart';