Query: Which Cherokee faction forced the surrender of Fort Loudoun in 1760?
Context: After its completion, Captain Raymond Demeré relinquished command on August 14, 1757 to his brother, Captain Paul Demeré. Hostilities erupted between the British and the neighboring Overhill Cherokees, and a siege of Fort Loudoun ended with its surrender on August 7, 1760. The following morning, Captain Paul Demeré and a number of his men were killed in an ambush nearby, and most of the rest of the garrison was taken prisoner.