CREATE TABLE table_33531 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

When richmond was the Away team what was the score of the home team?
SELECT "Home team score" FROM table_33531 WHERE "Away team" = 'richmond'
SELECT "Home team score" FROM "table_33531" WHERE "Away team" = 'richmond'