instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
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).
Question : What was the year Type 97 motorcycle entered service?
answer:
1935

question:
Context : Otto Preminger died in New York City, New York in 1986, aged 80, from lung cancer while suffering from Alzheimer's disease.
Question : What medical condition did Otto Preminger have at the end of his life?
answer:
Alzheimer's disease

question:
Context : The Crow Creek massacre occurred around 1325 AD between Native American groups at a site along the Missouri River in the South Dakota area; it is now within the Crow Creek Indian Reservation.
Question : The point in time of Crow Creek massacre was what?
answer:
1325