CREATE TABLE table_51268 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which home team scored 18.9 (117)?
SELECT "Home team" FROM table_51268 WHERE "Home team score" = '18.9 (117)'
SELECT "Home team" FROM "table_51268" WHERE "Home team score" = '18.9 (117)'