Given the task definition and input, reply with output. 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.

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.

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