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 : The Fiat L6/40 was a light tank used by the Italian army from 1940 through World War II. It was designed by Fiat-Ansaldo as an export product, and was adopted by the Italian Army when officials learned of the design and expressed interest.
Subject : Fiat L6/40
Relation : service entry
answer:
In what year did Fiat L6/40 enter service?

question:
Context : Most TokuMX source files are made available under the terms of the GNU Affero General Public License (AGPL).
Subject : TokuMX
Relation : based on
answer:
The TokuMX is based upon what?

question:
Context : The 47th (Lancashire) Regiment of Foot was an infantry regiment of the British Army.
Subject : 47th (Lancashire) Regiment of Foot
Relation : military branch
answer:
Which armed forces utilised the service of 47th (Lancashire) Regiment of Foot?