CREATE TABLE table_20751 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Ground" CLOB, "Date" CLOB, "Crowd" FLOAT)

Name the most crowd for essendon
SELECT MAX("Crowd") FROM table_20751 WHERE "Away team" = 'Essendon'
SELECT MAX("Crowd") FROM "table_20751" WHERE "Away team" = 'Essendon'