TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : Abdul Latif Sharif (1947 -- June 1, 2006), was an Egyptian chemist and chief suspect in the Juárez killings, a decade-long murder spree that began in the Mexican city of Ciudad Juárez in the early 1990s. 
Question : Which crime Abdul Latif Sharif is considered to have commited?

SOLUTION: murder

PROBLEM: Context : Nicholas Rodda (born 11 October 1992) is a male former water polo player from South Africa. 
Question : Is Nicholas Rodda a male or female?

SOLUTION: male

PROBLEM: Context : The DR Class 83.10 was a newly designed (Neubaulok) steam locomotive built for the Deutsche Reichsbahn in East Germany after the Second World War and was introduced into service in 1955 and 1956. 
Question : What year was DR Class 83.10 introduced?

SOLUTION:
1955