Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Input: Context : The Type 97 motorcycle, or Rikuo, was a copy of a Harley-Davidson motorcycle produced from 1935 in Japan under license from Harley-Davidson by the Sankyo Company (later Rikuo Nainen Company).
Answer : 1935
Output:
What was the year Type 97 motorcycle entered service?