CREATE TABLE table_36151 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Record" TEXT, "Game Site" TEXT, "Attendance" TEXT)

What is the lowest week number for the game that was at milwaukee county stadium?
SELECT MIN("Week") FROM table_36151 WHERE "Game Site" = 'milwaukee county stadium'
SELECT MIN("Week") FROM "table_36151" WHERE "Game Site" = 'milwaukee county stadium'