What is the up/down at the venue that hosted 7 games?
CREATE TABLE "match_attendance" (
  "venue" text,
  "hosted" real,
  "average" real,
  "highest" real,
  "lowest" real,
  "total" real,
  "last_year" text,
  "up_down" text
);
SELECT "up_down" FROM "match_attendance" WHERE "hosted"=7;