CREATE TABLE "calendar" (
  "round" text,
  "main_date" text,
  "number_of_fixtures" real,
  "clubs" text,
  "new_entries_this_round" text
);

Question: What are the club number for the first round?
SQL: SELECT "clubs" FROM "calendar" WHERE "round"='first round';

Question: when there were 48 → 32 clubs?
SQL: SELECT "new_entries_this_round" FROM "calendar" WHERE "clubs"='48 → 32';