CREATE TABLE table_56220 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What is the crowd size when the away team was South Melbourne?
SELECT SUM("Crowd") FROM table_56220 WHERE "Away team" = 'south melbourne'
SELECT SUM("Crowd") FROM "table_56220" WHERE "Away team" = 'south melbourne'