Detailed 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.
Problem:Context : The Lathen train collision occurred on 22 September 2006 when a Transrapid magnetic levitation (or ''maglev'') train collided with a maintenance vehicle near Lathen, Germany, killing 23 people.
Answer : 22 September 2006
Solution:
The date of Lathen train collision?