CREATE TABLE table_33031 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the largest crowd size that had a home team score of 17.18 (120)?
SELECT MAX("Crowd") FROM table_33031 WHERE "Home team score" = '17.18 (120)'
SELECT MAX("Crowd") FROM "table_33031" WHERE "Home team score" = '17.18 (120)'