What are the tries against  when points against 287?
{'header': ['Club', 'Played', 'Won', 'Drawn', 'Lost', 'Points for', 'Points against', 'Tries for', 'Tries against', 'Try bonus', 'Losing bonus', 'Points'], 'page_title': 'WRU Division Three South East', 'section_title': '2007/2008 Table', 'caption': '2007/2008 Table', 'rows': [['Club', 'Played', 'Won', 'Drawn', 'Lost', 'Points for', 'Points against', 'Tries for', 'Tries against', 'Try bonus', 'Losing bonus', 'Points'], ['Bedlinog RFC', '22', '20', '1', '1', '490', '190', '59', '12', '7', '1', '90'], ['Gilfach Goch RFC', '22', '15', '0', '7', '420', '259', '53', '28', '8', '5', '73'], ['Llantwit Fardre RFC', '22', '14', '1', '7', '410', '287', '49', '30', '7', '4', '69'], ['Tylorstown RFC', '22', '14', '0', '8', '501', '364', '57', '42', '6', '2', '64'], ['Treorchy RFC', '22', '12', '0', '10', '431', '403', '48', '50', '3', '3', '54'], ['St. Peters RFC', '22', '11', '0', '11', '299', '300', '35', '32', '3', '3', '50'], ['Old Illtydians RFC', '22', '10', '1', '11', '385', '359', '46', '40', '2', '6', '50'], ['Brecon RFC', '22', '9', '0', '13', '358', '435', '43', '59', '3', '6', '45'], ['Penarth RFC', '22', '8', '1', '13', '341', '357', '44', '43', '2', '8', '44'], ['Fairwater RFC', '22', '7', '1', '14', '318', '473', '42', '61', '3', '3', '36'], ['Tonyrefail RFC', '22', '5', '1', '16', '330', '566', '41', '70', '3', '5', '30'], ['Heol y Cyw RFC', '22', '4', '0', '18', '279', '569', '31', '81', '1', '6', '23']]}