CREATE TABLE table_32784 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

At which venue did the away team score 15.9 (99)?
SELECT "Venue" FROM table_32784 WHERE "Away team score" = '15.9 (99)'
SELECT "Venue" FROM "table_32784" WHERE "Away team score" = '15.9 (99)'