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'.
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Question: 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?

Answer: Answer: 2


Question: Context: The division, under command of XII Corps, became part of the British Second Army, which was engaged in the Battle for Caen. Link Information: The Battle for Caen (June to August 1944) is the name for the fighting between the British Second Army and German Question: Who did the 197th fight against in the Battle for Caen?

Answer: Answer: German


Question: Context: several slot canyons are located within Death Valley National Park. Link Information: he plant hardiness zone at Badwater Basin is 9b with an average annual extreme minimum temperature of 27.3 °F Question: What is the average temperature in the park that is located in California that also has several slot canyons?

Answer:
Answer: July is the hottest month, with an average high of 115 °F and an average low of 88 °F