Definition: 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'.
Input: Context: Being dubbed as a future star player in the national team, his time at Persepolis turned difficult following his fathers departure as a coach. He later followed his Parvin senior, who had become technical director of Steel Azin, Link Information: On April 30, 2007 Iranian multi millionaire Hossein Hedayati bought Ekbatan Football Club and renamed it to Steel Azin Football Club. With strong financial support and an ambitious owner, Steel Azin promised to be the new heavyweights in Iranian football.
After taking over, then chairman Ali Parvin immediately announced the name change, from Ekbatan football Club to Steel Azin Football Club. This was only the first of many changes to come.

Question: What year did Ali Parvin become technical director of Steel Azin?
Output:
Answer: 2007