query: When was B.B. King born?
passage: B.B. King
Riley B. King (September 16, 1925 – May 14, 2015), known professionally as B.B. King, was an American blues singer, electric guitarist, songwriter, and record producer. King introduced a sophisticated style of soloing based on fluid string bending and shimmering vibrato that influenced many later electric blues guitarists.[2]
passage: Robert R. King
Robert R. "Bob" King (born June 8, 1942) is an American diplomat. He was nominated in September 2009 by President Barack Obama and confirmed by the United States Senate in November 2009, to serve as United States special envoy for North Korean Human Rights Issues, an ambassadorial ranked position.