question: The person "Shaheed" is based on was executed at what age?
answer: 23
context: Title: Shaheed (1965 film)
  Passage: Shaheed is a 1965 Hindi movie based on Bhagat Singh's life.  One of the most prominent Indian patriotic movies based on the Indian independence movement, it was produced by Kewal Kashyap and directed by S Ram Sharma and stars Manoj Kumar, Kamini Kaushal, Pran, Iftekhar, Nirupa Roy, Prem Chopra, Madan Puri and Anwar Hussain in lead roles.  The music is by Prem Dhawan with several songs written by freedom fighter Ram Prasad Bismil.  Shaheed was first of Manoj Kumar's series of patriotic films, followed by likes of Upkar, Purab Aur Paschim and Kranti.
  Title: Werner Teske
  Passage: Werner Teske (24 April 1942 – 26 June 1981) was a Hauptmann (Captain) of the Ministry for State Security of East Germany who was executed after having been found guilty of "planned treason".  He was the last person to be executed in the German Democratic Republic, and the last person to be executed in Germany.
  Title: Bhagat Singh
  Passage: Bhagat Singh (] 1907  – 23 March 1931) was a charismatic Indian socialist revolutionary whose two acts of dramatic violence against the British in India and execution at age 23 made him a folk hero of the Indian independence movement.
  Title: Thomas Aikenhead
  Passage: Thomas Aikenhead (  March 1676  – 8 January 1697) was a Scottish student from Edinburgh, who was prosecuted and executed at the age of 20 on a charge of blasphemy.  He was the last person in Britain to be executed for blasphemy.  This was 85 years after the death of Edward Wightman (1612), the last person to be burned at the stake for heresy in England.
citations: Shaheed (1965 film) Bhagat Singh