CREATE TABLE table_78497 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many people witnessed their home team score 13.15 (93)?
SELECT MAX("Crowd") FROM table_78497 WHERE "Home team score" = '13.15 (93)'
SELECT MAX("Crowd") FROM "table_78497" WHERE "Home team score" = '13.15 (93)'