TASK DEFINITION: Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
PROBLEM: Context : Peter Cheeseman died on 27 April 2010 of inanition and vascular dementia, after a long battle with Parkinson's disease. 
Question : What disease did Peter Cheeseman contract?

SOLUTION: medical condition

PROBLEM: Context : Vice-Admiral William Lechmere died at Hill House, Steeple Aston, Oxfordshire on 12 December 1815 at the age of 63. 
Question : To which branch did William Lechmere belong?

SOLUTION: military branch

PROBLEM: Context : The South Eastern and Chatham Railway (SECR) P Class is a class of 0-6-0T steam locomotive designed by Harry Wainwright. 
Question : In which year was the service entry date for South Eastern and Chatham Railway?

SOLUTION:
service entry