CREATE TABLE table_53899 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What did the away team score in the game against Richmond?
SELECT "Away team score" FROM table_53899 WHERE "Home team" = 'richmond'
SELECT "Away team score" FROM "table_53899" WHERE "Home team" = 'richmond'