user: Question: Which Lead has a Nation of Switzerland?
Columns: ['Nation', 'Skip', 'Third', 'Second', 'Lead']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Czech Republic', 'Jiri Snitil', 'Jindrich Kitzberger', 'Martin Snitil', 'Marek Vydra']
SQL:

assistant: SELECT "Lead" FROM "Table" WHERE "Nation" = 'Switzerland';