CREATE TABLE table_51332 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which crowd had an Away team score of 7.12 (54)?
SELECT AVG("Crowd") FROM table_51332 WHERE "Away team score" = '7.12 (54)'
SELECT AVG("Crowd") FROM "table_51332" WHERE "Away team score" = '7.12 (54)'