CREATE TABLE table_9876 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Attendance" CLOB)

On what date was the Opponent Chicago Bears?
SELECT "Date" FROM table_9876 WHERE "Opponent" = 'chicago bears'
SELECT "Date" FROM "table_9876" WHERE "Opponent" = 'chicago bears'