CREATE TABLE table_51521 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which home team scored 23.18 (156)?
SELECT "Home team" FROM table_51521 WHERE "Home team score" = '23.18 (156)'
SELECT "Home team" FROM "table_51521" WHERE "Home team score" = '23.18 (156)'