CREATE TABLE table_36149 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "Attendance" CLOB)

Who did the Colts play against on September 25, 1966?
SELECT "Opponent" FROM table_36149 WHERE "Date" = 'september 25, 1966'
SELECT "Opponent" FROM "table_36149" WHERE "Date" = 'september 25, 1966'