What height is player number 9?
{'header': ['No', 'Player', 'Height', 'Position', 'Year born', 'Current Club'], 'page_title': 'FIBA EuroBasket 2007 squads', 'section_title': '[[ | ]]', 'caption': '[[ | ]]', 'rows': [['4', 'Stepán Vrubl', '1.86', 'Guard', '1976', 'A Plus Brno'], ['5', 'Pavel Benes', '1.90', 'Guard', '1975', 'Nymburk'], ['6', 'Maurice Whitfield', '1.86', 'Guard', '1973', 'Olympiada Patras'], ['7', 'Michal Kremen', '2.00', 'Forward', '1981', 'Nymburk'], ['8', 'Lukás Kraus', '2.01', 'Forward', '1984', 'Liberec'], ['9', 'Jiří Welsch', '1.97', 'Guard', '1980', 'Unicaja'], ['10', 'Ladislav Sokolovsky', '2.00', 'Forward', '1977', 'Nymburk'], ['11', 'Luboš Bartoň', '2.02', 'Forward', '1980', 'DKV Joventut'], ['12', 'Radek Necas', '2.04', 'Forward', '1980', 'Nymburk'], ['13', 'Petr Benda', '2.04', 'Center', '1982', 'Nymburk'], ['14', 'Jakub Houška', '2.06', 'Center', '1982', 'Děčín']]}