How many nations do the FMS international team represent?
{'header': ['Name', 'Nation', 'Seasons', 'Championship Titles', 'Race Starts', 'Poles', 'Wins', 'Podiums', 'Fastest Laps'], 'page_title': 'List of Superleague Formula drivers and teams', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'real', 'real', 'real', 'real', 'real'], 'id': '1-19312274-3', 'section_title': 'Racing teams', 'caption': 'Racing teams', 'rows': [['Alan Docking Racing', 'United Kingdom', '2008 , 2009 , 2010 , 2011', '0', '118', '6', '7', '23', '7'], ['Alpha Motorsport (with ADR )', 'United Kingdom', '2010', '0', '20', '0', '0', '3', '1'], ['Alpha Team (solo)', 'United Kingdom', '2010', '0', '24', '0', '0', '4', '0'], ['Atech GP / Reid Motorsport', 'United Kingdom', '2010 , 2011', '0', '111', '1', '7', '17', '10'], ['Azerti Motorsport', 'Belgium', '2008 , 2009 , 2010 , 2011', '0', '112', '3', '5', '18', '4'], ['Barazi-Epsilon', 'France', '2009 , 2010', '0', '41', '0', '1', '5', '1'], ['Delta Motorsport (with ADR )', 'United Kingdom', '2009', '0', '6', '0', '0', '0', '0'], ['Drivex', 'Spain', '2010', '0', '8', '0', '0', '0', '0'], ['EmiliodeVillota Motorsport', 'Spain', '2010 , 2011', '0', '54', '2', '2', '5', '1'], ['EuroInternational', 'Italy', '2008', '0', '21', '0', '0', '1', '4'], ['FMS International', 'Italy', '2008', '0', '12', '1', '0', '3', '0'], ['GTA Motor Competición', 'Spain', '2008', '0', '24', '0', '1', '4', '0'], ['GU-Racing International', 'Germany', '2008 , 2009 , 2010', '1 ( 2010 )', '98', '4', '7', '19', '10'], ['Hitech Junior Team', 'United Kingdom', '2008 , 2009', '1 ( 2009 )', '46', '3', '6', '12', '2'], ['LRS Formula / Laurent Rédon Motorsport', 'France', '2010', '0', '11', '0', '1', '1', '1'], ['Racing for Holland', 'Netherlands', '2010', '0', '8', '0', '0', '0', '0'], ['Reid Motorsport (solo)', 'United Kingdom', '2009', '0', '8', '1', '2', '4', '0'], ['Scuderia Playteam', 'Italy', '2008', '0', '23', '1', '2', '8', '0'], ['Team Astromega', 'Belgium', '2008', '0', '24', '0', '0', '4', '1'], ['Ultimate Motorsport', 'United Kingdom', '2009', '0', '16', '0', '1', '2', '0']], 'name': 'table_19312274_3'}