CREATE TABLE table_56875 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What is the date where the away team is Richmond?
SELECT "Date" FROM table_56875 WHERE "Away team" = 'richmond'
SELECT "Date" FROM "table_56875" WHERE "Away team" = 'richmond'