The Ponca City Wildcats' football season came to an end Friday with an 18-0 loss to Muskogee, but there still will be playoff action Friday at Sullins Stadium. Ponca City has been chosen to host the Class 6AII semifinal game between Stillwater and Deer Creek of Edmond. The game is scheduled at 7 p.m. Friday. Stillwater is undefeated with an 11-0 record and finished first in District 6AII1. Deer…