CREATE TABLE table_55231 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the away team's score when the home team scored 16.19 (115)?
SELECT "Away team score" FROM table_55231 WHERE "Home team score" = '16.19 (115)'
SELECT "Away team score" FROM "table_55231" WHERE "Home team score" = '16.19 (115)'