instruction:
You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
question:
Context : Lojban has been shown to be translated in some of its parts into predicate logic.
Subject : Lojban
Relation : based on
answer:
The Lojban is based upon what?

question:
Context : Its complete designation, SKS-45, is an initialism for Samozaryadnyj Karabin sistemy Simonova, 1945 (Russian: , 1945; Self-loading Carbine of (the) Simonov system, 1945).
Subject : SKS
Relation : service entry
answer:
Which was the official year for the approval of SKS?

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