Given the task definition and input, reply with output. 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: Oxoguanine glycosylase is employed in the removal of 8-oxoguanine from DNA by the process of base excision repair Link Information: none Question: Who discovered the process by which 8-oxoguanine is removed from DNA ?

Answer: none