instruction:
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.
question:
Context : Tiffany Bias was born on May 22, 1992, Wichita, Kansas. 
Question : What team did Tiffany Bias play for?
answer:
drafted by


question:
Context : Philipp Krementz was born, the son of a butcher, in Koblenz in 1837 and began to study theology in Bonn, which he continued in Munich in 1839. 
Question : What was the death date of Philipp Krementz?
answer:
date of death


question:
Context : British Rail 18100 was a prototype main line gas turbine-electric locomotive built for British Railways in 1951 by Metropolitan-Vickers, Manchester. 
Question : What year was the service entry date for British Rail 18100?
answer:

service entry