What is the fine-grained topic of the following text: Dale was the PA announcer for the Tucson Toros/Sidewinders from 1984-2008, while also working PA in Amphitheater High football, Pima College basketball, Tucson High basketball, UA women’s basketball, UA baseball and various track and field events. Only return the topic.
Dale's career as a PA announcer for various sports events in Tucson.