CREATE TABLE table_10621 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the score for the opponent against Richmond?
SELECT "Away team score" FROM table_10621 WHERE "Home team" = 'richmond'
SELECT "Away team score" FROM "table_10621" WHERE "Home team" = 'richmond'