Detailed Instructions: In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
Problem:Context: He travelled to the West Indies in 1939 Link Information: He travelled to the West Indies in 1939 Answer: 106
Solution:
How long had the Great Western Railway been in existence for the year Morris went to the West Indies?