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: Cecan favored leniency toward the use of Filioque in the Nicene Creed and accepted the doctrine of papal infallibility. Link Information: It is called Nicene because it was originally adopted in the city of Nicaea (present day Iznik, Turkey) by the First Council of Nicaea in 325. Question: When was the Nicene creed established?
Output:
Answer: 325