Question: Richard Dalton is a former editor of the Whole Earth Software Review, he was a featured columnist for InformationWeek, a digital magazine which conducts corresponding face-to-face events, virtual events, and research, and is headquartered in which city, in California?
Sentence (from "Richard Dalton (editor)"): He has recently spoken at Comdex, the Groupware Users Exchange, the InterClass European Conference and the Federal Government Group Decision Technology Conference.
Relevant evidence: No