Name the position for shorts
{'header': ['Player', 'Position', 'Starter', 'Touchdowns', 'Extra points', 'Field goals', 'Points'], 'page_title': '1901 Michigan Wolverines football team', 'section_title': 'Michigan 55, Albion 0', 'caption': 'Michigan 55, Albion 0', 'rows': [['Shaw', 'Left halfback', 'Yes', '2', '3', '0', '13'], ['Sweeley', 'Right halfback', 'Yes', '1', '1', '0', '6'], ['Snow', 'Fullback', 'Yes', '1', '0', '0', '5'], ['White', 'Left tackle', 'Yes', '1', '0', '0', '5'], ['Heston', 'Left halfback', 'No', '1', '0', '0', '5'], ['Shorts', 'Right tackle', 'Yes', '1', '0', '0', '5'], ['Graver', 'Quarterback', 'No', '0', '1', '0', '1']]}