CREATE TABLE table_5426 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Record" TEXT, "Game Site" TEXT, "Attendance" FLOAT)

What is the highest attendance rate at Milwaukee County Stadium?
SELECT MAX("Attendance") FROM table_5426 WHERE "Game Site" = 'milwaukee county stadium'
SELECT MAX("Attendance") FROM "table_5426" WHERE "Game Site" = 'milwaukee county stadium'