Question: Who is an English singer and songwriter, who has been the leader, singer and most active songwriter of Strawbs since 1967, Terry Kath or Dave Cousins ?
Sentence (from "Dave Cousins"): Dave Cousins (born David Joseph Hindson, 7 January 1945, Hounslow, Middlesex, England) is an English singer and songwriter, who has been the leader, singer and most active songwriter of Strawbs since 1967.
Relevant evidence: Yes