Q: 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.
Context : Varig Flight 254 was a Boeing 737-241, c/n 21006/398, registration PP-VMK, on a scheduled passenger flight from Sao Paulo, Brazil, to Belem, Para, Brazil, with several intermediate stopovers, on 3 September 1989.
Answer : 3 September 1989
A:
When did Varig Flight 254 occurr?