In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Q: Context: The broadnose sevengill shark (Notorynchus cepedianus) is known to prey on the crossback stingaree Link Information: It is recognizable because of its seven gill slits, while most shark species have five gill slits Question: What is the difference between the amount of gills the species known to prey on the crossback stingaree have compared to most shark species?

A: Answer: 2
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Q: 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 When Emperor Probus, the son of a gardener, rescinded the edict Link Information: Domitian (; ; 24 October 51 18 September 96 AD) was Roman emperor from 81 to 96 Question: How many years were between the end of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reign who called for all colonial vines to be uprooted and the beginning of the reign where the son of a gardener rescinded the edict?

A: Answer: 180
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Q: Context: the union attempted to use the Alien Tort Claims Act (ATCA) to bring the case into a U.S. district court. Link Information: none Question: How many times was the ATCA used in 2001?

A:
Answer: none
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