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
****
Q: Context: Adam also co-wrote and co-starred in the movie Rats and Cats, which premiered to sell-out audiences and critical acclaim at the 2006 Melbourne International Film Festival and went on to screen at the SXSW Film Festival in 2009. Link Information: none Question: Who else co-starred in the movie that Zwar co-wrote that premiered to sell-out audiences at the 2006 Melbourne International Film Festival?

A: Answer: none
****
Q: Context: Kuroda began his professional wrestling career in January 1993, when he was trained by Pro Wrestling Crusaders (PWC) at their dojo and made his debut on March 18, 1993 against Hideki Hosaka. Link Information: none Question: How old was Hosaka when Kuroda made his PWC debut against him?

A:
Answer: none
****