instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Thomas J. O'Connell (21 November 1882 -- 22 June 1969) was an Irish trade unionist and politician, and was leader of the Irish Labour Party from 1927 to 1932. 
Question : On which date did Thomas J. O'Connell die?
answer:
22 June 1969


question:
Context : Luitzen Egbertus Jan Brouwer ForMemRS (Dutch: (ˈlœy̯tsə(n) ɛɣˈbɛrtəs jɑn ˈbrʌu̯ər); 27 February 1881 -- 2 December 1966), usually cited as L. E. J. Brouwer but known to his friends as Bertus, was a Dutch mathematician and philosopher, a graduate of the University of Amsterdam, who worked in topology, set theory, measure theory and complex analysis. 
Question : What was the date of death for L. E. J. Brouwer?
answer:
2 December 1966


question:
Context : ``Mission to the Unknown'', sometimes known as ``Dalek Cutaway'' and also ``Dalek Cutaway-Mission to the Unknown'', is a missing episode of the third season of the British science fiction television series Doctor Who, first broadcast on 9 October 1965. 
Question : Which series is Mission to the Unknown apart of?
answer:

Doctor Who