What were the lowest goals with a debut before 1961 in Europe?
CREATE TABLE "top_scorers_in_uefa_club_competitions" (
  "rank" real,
  "player" text,
  "goals" real,
  "games" real,
  "debut_in_europe" real
);
SELECT MIN("goals") FROM "top_scorers_in_uefa_club_competitions" WHERE "debut_in_europe"<1961;