Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: Context: The adultery occurred at Haddington Abbey and Crichton Castle. Link Information: In the late 14th century John de Crichton (d.1406) built a tower house here as his family residence. Question: When was the castle where the adultry of Jean Gordon's husband occured built?
Student:
Answer: 1406