CREATE TABLE table_32577 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the date of the game where Richmond was the away team?
SELECT "Date" FROM table_32577 WHERE "Away team" = 'richmond'
SELECT "Date" FROM "table_32577" WHERE "Away team" = 'richmond'