CREATE TABLE table_1133 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "Attendance" FLOAT)

Name the number of week for game site being memorial stadium for buffalo bills
SELECT COUNT("Week") FROM table_1133 WHERE "Game Site" = 'Memorial Stadium' AND "Opponent" = 'Buffalo Bills'
SELECT COUNT("Week") FROM "table_1133" WHERE "Game Site" = 'Memorial Stadium' AND "Opponent" = 'Buffalo Bills'