CREATE TABLE table_33292 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the average crowd size at all matches where the home team scored 6.12 (48)?
SELECT AVG("Crowd") FROM table_33292 WHERE "Home team score" = '6.12 (48)'
SELECT AVG("Crowd") FROM "table_33292" WHERE "Home team score" = '6.12 (48)'