CREATE TABLE table_20733 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Ground" TEXT, "Crowd" FLOAT, "Date" TEXT, "Time" TEXT)

What was the away team's score at the venue football park?
SELECT "Away team score" FROM table_20733 WHERE "Ground" = 'Football Park'
SELECT "Away team score" FROM "table_20733" WHERE "Ground" = 'Football Park'