Question: On what network did an American actress portray Shirley Partridge, along with David Cassidy, beginning in 1970?
Sentence (from "Shirley Jones"): She played the lead role of Shirley Partridge, the widowed mother of five children, in the musical situation-comedy television series "The Partridge Family" (1970–74), which co-starred her real-life stepson David Cassidy, son of Jack Cassidy.
Relevant evidence: Yes