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'.

Context: he final of the Sussex Senior Cup was held at Preston Park in Brighton for the first four competitions, from 1883 to 1886. Link Information: The park was formally declared open on 8 November 1884. Question: When was the park founded in which the first four competitions of the Sussex Senior Challenge Cup were held?
Answer: 8 November 1884