CREATE TABLE table_74735 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

How many people were present in a total of every crowd at the MCG venue?
SELECT SUM("Crowd") FROM table_74735 WHERE "Venue" = 'mcg'
SELECT SUM("Crowd") FROM "table_74735" WHERE "Venue" = 'mcg'