SEVENTEEN—Home from Yole for the summer, George Crooper os played by Bob Pearson, is caught trying to divide his attention between two of the town's most attractive ycung belles played by Carolyn Groves and Madeline Lee in Seventeen, the Southwest Summer Theatre's forthcoming musical production opening on July 15. Rehearsals for the ploy are now in progress. Box office for Seventeen willon^n July 6_Frr rpsprvntions roll 3-4.511Fxt 914