Question: Kevin Stanley Beeston FCMA is chairman of Taylor Wimpey plc and Equiniti Group plc, Senior Independent Director of Severn Trent plc, Non-Executive Director of which British brewery and pub operator, that it operates over 1,700 pubs in the UK, and is the world's largest brewer of cask ale?
{'answer': 'Marston Group Limited', 'supporting_facts': [['Kevin Beeston', 0], ["Marston's Brewery", 0]]}