CREATE TABLE table_52491 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the score of the away team when the game was played at vfl park?
SELECT "Away team score" FROM table_52491 WHERE "Venue" = 'vfl park'
SELECT "Away team score" FROM "table_52491" WHERE "Venue" = 'vfl park'