CREATE TABLE table_55612 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How big was the crowd of away team Richmond?
SELECT "Crowd" FROM table_55612 WHERE "Away team" = 'richmond'
SELECT "Crowd" FROM "table_55612" WHERE "Away team" = 'richmond'