question: What is the name of the Scottish actor who has played the part of 'Doctor Who', and who played the part of Daniel in a British radio sitcom as part of a childless couple?
answer: David Tennant
context: Title: Santana Srinivasa Temple
  Passage: Santana Srinivasa Temple is located in Mugappair West near Anna Nagar in Chennai.  The place was originally known as "Maga-pperu" in Tamil which means "Blessed with a child".  Later the name ‘Magapperu’ got colloquially transformed to Mogappair.  The name is due to Santana Srinivasa Perumal whose vigraham/idol was found beneath the temple premises in Mugappair in Chennai.  Santana Srinivasa blesses childless couple with children.
  Title: Double Income, No Kids Yet
  Passage: Double Income, No Kids Yet is a British radio sitcom written by David Spicer and originally broadcast on BBC Radio 4 from June 2001 to November 2003.  There were three series of six episodes each starring David Tennant as Daniel and Elizabeth Carling as Lucy, a childless couple in a world of people with children.
  Title: David Tennant
  Passage: David Tennant (born David John McDonald; 18 April 1971) is a Scottish actor and voice actor.  He is best known for his roles as the Tenth Doctor in the British television series "Doctor Who", Alec Hardy in "Broadchurch", Giacomo Casanova in the TV serial "Casanova", Kilgrave in "Jessica Jones", and Barty Crouch, Jr.  in the film "Harry Potter and the Goblet of Fire".  In addition to his appearances on screen, he has worked as a voice actor and in theatre, including Prince Hamlet in a critically acclaimed 2008 stage production of "Hamlet" and as the voice of Scrooge McDuck in the new "DuckTales" series starting in 2017.  In January 2015, Tennant received the National Television Award for Special Recognition.
citations: Double Income, No Kids Yet David Tennant