text: winepicnics25_347_cl.JPG Story on wineries that have picnic areas. This is the picnic area at Chateau St. Jean in Kenwood. Photo of a company from Nashville, Tennessee, Lipman Brothers, having a catered picnic. Event on 5/17/07 in Kenwood. photo by Craig Lee / The Chronicle MANDATORY CREDIT FOR PHOTOG AND SF CHRONICLE/NO SALES-MAGS OUT