STILLWATER -- The Ponca City Lady Cats pushed their way to the semifinals of the Stillwater Cup tournament Thursday with a 7-1 opening round victory over Newkirk. With the win, they advanced to a match with Coweta. Melanie Schaefer and Kyra Allison each scored two goals for Ponca City. With one goal each were DiDi DeLaGarza, Rylen Rader and Emma Steichen. Ponca City’s varsity girls are now 1…