CREATE TABLE "professional_league_1951_present" (
  "season" real,
  "champion" text,
  "count" real,
  "runners_up" text,
  "third_place" text,
  "top_scorer" text,
  "top_scorers_club" text,
  "goals" text
);

Question: How many season had Melgar as a champion?
SQL: SELECT COUNT("season") FROM "professional_league_1951_present" WHERE "champion"='Melgar';

Question: What year was the season with the top scoring club being Sporting Cristal and the champion was Universitario?
SQL: SELECT "season" FROM "professional_league_1951_present" WHERE "top_scorers_club"='Sporting Cristal' AND "champion"='Universitario';

Question: Who was in third place in the 1980 season?
SQL: SELECT "third_place" FROM "professional_league_1951_present" WHERE "season"=1980;