In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Input: Consider Input: Context: due to the unpopular edict by Emperor Domitian that all colonial vines must be uprooted. When Emperor Probus, the son of a gardener, rescinded the edict Link Information: Domitian (; ; 24 October 51 – 18 September 96 AD) was Roman emperor from 81 to 96 Answer: 180

Output: How many years were between the end of the Emperor's reign who called for all colonial vines to be uprooted and the beginning of the reign where the son of a gardener rescinded the edict?


Input: Consider Input: Context: He fought in Operation Barbarossa, the German invasion of the Soviet Union, and claimed his first aerial victory on 8 August 1941. Link Information: none Answer: none

Output: How many days did Operation Barbarossa last?


Input: Consider Input: Context: Daylight Crossing was produced by Steve Lipson and Youth Link Information: Stephen J. Lipson (born 16 March 1954)  Answer: Stephen Lipson


Output: Which producer who worked on Daylight Crossing is the oldest?