CREATE TABLE table_33228 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the home teams score when the away team scored 7.5 (47)?
SELECT "Home team score" FROM table_33228 WHERE "Away team score" = '7.5 (47)'
SELECT "Home team score" FROM "table_33228" WHERE "Away team score" = '7.5 (47)'