Name the position for san beda
{'header': ['Name', 'Position', 'Number', 'School/Club Team', 'Season', 'Acquisition via'], 'page_title': 'Powerade Tigers all-time roster', 'page_id': '', 'types': ['text', 'text', 'real', 'text', 'text', 'text'], 'id': '1-15463188-7', 'section_title': 'G', 'caption': 'G', 'rows': [['Michael Gavino', 'Center', '16', 'UP Diliman', '2006-2007', 'Rookie Draft'], ['Allen Gamboa', 'Forward', '12', 'State', '2002', 'Rookie Draft'], ['George Gervin Jr.', 'Guard', '1', 'Houston', '2008', 'Import'], ['Norman Gonzales', 'Forward', '28', 'San Beda', '2009-2011', 'Free Agency'], ['Wesley Gonzales', 'Forward-Guard', '27', 'Ateneo', '2009-2010', 'Free Agency']], 'name': 'table_15463188_7'}