CREATE TABLE table_4843 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When Richmond was the home team, what was the home team score?
SELECT "Home team score" FROM table_4843 WHERE "Home team" = 'richmond'
SELECT "Home team score" FROM "table_4843" WHERE "Home team" = 'richmond'