How many new entries are there for a second phase that has 4 winners from previous rounds?
CREATE TABLE "format" (
  "phase" text,
  "round" text,
  "clubs_remaining" real,
  "clubs_involved" real,
  "winners_from_previous_round" text,
  "new_entries_this_round" text,
  "leagues_entering_at_this_round" text
);
SELECT "new_entries_this_round" FROM "format" WHERE "phase"='second phase' AND "winners_from_previous_round"='4';