TASK DEFINITION: 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 Vetterli rifles were a series of Swiss army service rifles in use from 1869 to circa 1890, when they were replaced with Schmidt-- 
Answer : 1869

SOLUTION: What year is Vetterli rifle associated with?

PROBLEM: Context : Firehouse Dog is a 2007 American family film produced by Regency Enterprises and distributed by 20th Century Fox. 
Answer : Regency Enterprises

SOLUTION: What production company was involved in Firehouse Dog?

PROBLEM: Context : Bian Lan (born 1984-08-17 in Yixing, Jiangsu) is a female Chinese basketball player who was part of the team that won the gold medal at the 2002 Asia Championship. 
Answer : female

SOLUTION:
What is the gender Bian Lan is known by?