By Leonel Sanchez For three days, St. Columba was the place to be for hundreds of parishioners and friends of the Serra Mesa Catholic church who made the parish and school’s first fall festival their weekend getaway. The stewards who put on the free event made certain there was something for people of all ages and tastes, including games, live music, authentic dishes and even a beer garden for adults. The Oct. 16-18 Fall Festival culminated with an outdoor Mass that drew more than 500 worshippers to the church campus on Glencolum Drive and highlighted the power of a diverse community working