CREATE TABLE table_78053 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many spectators were at the game when the away team scored 15.8 (98)?
SELECT "Crowd" FROM table_78053 WHERE "Away team score" = '15.8 (98)'
SELECT "Crowd" FROM "table_78053" WHERE "Away team score" = '15.8 (98)'