Which Champion has a Venue of old waverly golf club?
CREATE TABLE "winners" (
  "year" real,
  "champion" text,
  "country" text,
  "venue" text,
  "location" text,
  "score" text,
  "to_par" text,
  "purse" real,
  "winner_s_share" real
);
SELECT "champion" FROM "winners" WHERE "venue"='old waverly golf club';