How many players currently play for Barons Riga?
{'header': ['No', 'Player', 'Height', 'Position', 'Year born', 'Current Club'], 'page_title': 'FIBA EuroBasket 2007 squads', 'page_id': '', 'types': ['real', 'text', 'text', 'text', 'real', 'text'], 'id': '1-12962773-10', 'section_title': '[[ | ]]', 'caption': '[[ | ]]', 'rows': [['4', 'Rimantas Kaukėnas', '1.92', 'Guard', '1977', 'Montepaschi Siena'], ['5', 'Giedrius Gustas', '1.90', 'Guard', '1980', 'Barons Riga'], ['6', 'Jonas Mačiulis', '2.00', 'Forward', '1985', 'Žalgiris Kaunas'], ['7', 'Darjuš Lavrinovič', '2.12', 'Center', '1979', 'UNICS Kazan'], ['8', 'Ramūnas Šiškauskas', '1.98', 'Guard', '1978', 'CSKA Moscow'], ['9', 'Darius Songaila', '2.04', 'Forward', '1978', 'Washington Wizards'], ['10', 'Simas Jasaitis', '2.00', 'Forward', '1982', 'TAU Cerámica'], ['11', 'Linas Kleiza', '2.03', 'Forward', '1985', 'Denver Nuggets'], ['12', 'Kšyštof Lavrinovič', '2.10', 'Center', '1979', 'Montepaschi Siena'], ['13', 'Šarūnas Jasikevičius', '1.92', 'Guard', '1976', 'Golden State Warriors'], ['14', 'Paulius Jankūnas', '2.05', 'Forward', '1984', 'Žalgiris Kaunas']], 'name': 'table_12962773_10'}