Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: Which football club is the oldest club in Iran, Saipa  or Esteghlal F.C.? Passage:He joined Saipa in 1998. He joined Esteghlal F.C. in 2004. Since joining the club, he has again and again proven himself at the club scoring many vital goals as well as saving many. He has been the regular player since he joined Esteghlal on the right side for the team. In 2012, he was chosen as the club's captain after Farhad Majidi left the club on loan to Al-Gharafa. After spending 8 seasons at Esteghlal, by end of 2011–12 season he moved to Foolad along with Esmaeil Sharifat. He left Foolad in summer 2013 and joined Azadegan League side Paykan. He helped the club to promoted back to the Iran Pro League for the 2014–15 season.


b