CREATE TABLE table_78423 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

I want to know the home team score of the away team of richmond that has a crowd more than 20,735
SELECT "Home team score" FROM table_78423 WHERE "Crowd" > '20,735' AND "Away team" = 'richmond'
SELECT "Home team score" FROM "table_78423" WHERE "Away team" = 'richmond' AND "Crowd" > '20,735'