CREATE TABLE table_19237 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Ground" TEXT, "Crowd" FLOAT, "Date" TEXT, "Report" TEXT)

What are the ground when the away team scored 6.9 (45)?
SELECT "Ground" FROM table_19237 WHERE "Away team score" = '6.9 (45)'
SELECT "Ground" FROM "table_19237" WHERE "Away team score" = '6.9 (45)'