CREATE TABLE table_55181 ("Week" CLOB, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Kickoff [a ]" CLOB, "Game site" CLOB, "Attendance" CLOB, "Record" CLOB)

Which week had 39,056 people in attendance?
SELECT "Week" FROM table_55181 WHERE "Attendance" = '39,056'
SELECT "Week" FROM "table_55181" WHERE "Attendance" = '39,056'