CREATE TABLE table_56793 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What is the highest crowd at mcg?
SELECT MAX("Crowd") FROM table_56793 WHERE "Venue" = 'mcg'
SELECT MAX("Crowd") FROM "table_56793" WHERE "Venue" = 'mcg'