user: Question: What was the win-loss record for the player from Switzerland? 
Columns: ['Player', 'Nationality', 'Finals', 'Win-Loss', 'Year(s)']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Roger Federer Category:Articles with hCards +', 'Switzerland', 5.0, '4–1', '2004 *, 2006 *, 2007 *, 2009 , 2010 *']
SQL:

assistant: SELECT "Win-Loss" FROM "Table" WHERE "Nationality" = 'Switzerland';