Q: 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: At the Northern Ireland Trophy, he beat Robert Stephen 50 before falling to David Gilbert 05 in qualifying. Link Information:

Robert Stephen (born 27 June 1984) Question: Which of the players Liang Wenbo faced in the qualifying event at the Northern Ireland Trophy was older?
A:
Answer: David Gilbert