CREATE TABLE "teams" (
  "round" text,
  "clubs_remaining" real,
  "clubs_involved" real,
  "winners_from_previous_round" text,
  "new_entries_this_round" text,
  "leagues_entering_at_this_round" text
);

Question: How many winners from previous round were there in the semi finals?
SQL: SELECT "winners_from_previous_round" FROM "teams" WHERE "round"='Semi finals';

Question: What was the round that had 32 winners from previous round?
SQL: SELECT "round" FROM "teams" WHERE "winners_from_previous_round"='32';

Question: How many clubs were remaining in the preliminary round?
SQL: SELECT "clubs_remaining" FROM "teams" WHERE "round"='Preliminary round';

Question: What was the round when there were 16 winners from the previous round?
SQL: SELECT "round" FROM "teams" WHERE "winners_from_previous_round"='16';

Question: How many clubs were involved in the second round?
SQL: SELECT "clubs_involved" FROM "teams" WHERE "round"='Second round';