CREATE TABLE table_1136 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "Attendance" FLOAT)

Name the total number of weeks for at cleveland browns
SELECT COUNT("Week") FROM table_1136 WHERE "Opponent" = 'at Cleveland Browns'
SELECT COUNT("Week") FROM "table_1136" WHERE "Opponent" = 'at Cleveland Browns'