What is terrence ross' nationality
{'header': ['Player', 'No.', 'Nationality', 'Position', 'Years in Toronto', 'School/Club Team'], 'page_title': 'Toronto Raptors all-time roster', 'section_title': 'R', 'caption': 'R', 'rows': [['Aleksandar Radojević', '25', 'Serbia', 'Center', '1999-2000', 'Barton CC (KS)'], ['Shawn Respert', '31', 'United States', 'Guard', '1997-98', 'Michigan State'], ['Quentin Richardson', 'N/A', 'United States', 'Forward', '2013-present', 'DePaul'], ['Alvin Robertson', '7, 21', 'United States', 'Guard', '1995-96', 'Arkansas'], ['Carlos Rogers', '33, 34', 'United States', 'Forward-Center', '1995-98', 'Tennessee State'], ['Roy Rogers', '9', 'United States', 'Forward', '1998', 'Alabama'], ['Jalen Rose', '5', 'United States', 'Guard-Forward', '2003-06', 'Michigan'], ['Terrence Ross', '31', 'United States', 'Guard', '2012-present', 'Washington']]}