CREATE TABLE table_33726 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the largest crowd at Lake Oval?
SELECT MAX("Crowd") FROM table_33726 WHERE "Venue" = 'lake oval'
SELECT MAX("Crowd") FROM "table_33726" WHERE "Venue" = 'lake oval'