Generate a correct and concise answer for the question based on the words in the context.

[Q]: Context : Nohra Puyana Bickenbach (born 29 May 1955) is the wife of the 30th President of Colombia, Andrés Pastrana Arango, and served as First Lady of Colombia from 1998 to 2002. 
Question : What is Nohra Puyana Bickenbach's spouse's name?
[A]: Andrés Pastrana Arango


[Q]: Context : Caspar Wolf (Muri, Aargau, 3 May 1735 -- Heidelberg, 6 October 1783) was a Swiss painter, known mostly for his dramatic paintings of Alps. 
Question : What was Caspar Wolf's career?
[A]: painter


[Q]: Context : The DRG Class 99.19 engines were metre gauge, ten-coupled, superheated, steam locomotives that were employed in the southwestern German state of Württemberg from 1927. 
Question : What year was DRG Class 99.19 introduced?
[A]:
1927