Who was the republican candidate in 2013 when Staten Island was 451?
{'header': ['2013 Republican primary', 'Manhattan', 'The Bronx', 'Brooklyn', 'Queens', 'Staten Island', 'Total', '%'], 'page_title': 'New York City mayoral elections', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text', 'text', 'real', 'text'], 'id': '1-1108394-6', 'section_title': '2013', 'caption': '2013', 'rows': [['Joe Lhota', '9,211', '1,860', '6,995', '8,758', '5,412', '32236', '52.7%'], ['Joe Lhota', '70.5%', '52.9%', '47.6%', '51.0%', '42.8%', '32236', '52.7%'], ['John Catsimatidis', '3,139', '1,281', '6,723', '6,945', '6,776', '24864', '40.7%'], ['John Catsimatidis', '24.0%', '36.4%', '45.7%', '40.5%', '53.5%', '24864', '40.7%'], ['George McDonald', '683', '369', '940', '1,456', '451', '3899', '6.4%'], ['George McDonald', '5.2%', '10.5%', '6.4%', '8.5%', '3.6%', '3899', '6.4%'], ['all Write-In votes', '34', '8', '42', '9', '19', '112', '0.2%'], ['T O T A L', '13,067', '3,518', '14,700', '17,168', '12,658', '61111', '100.0%']], 'name': 'table_1108394_6'}