user: Question: Who is the skip of the nation with Laurens Van Der Windt as the alternate?
Columns: ['Nation', 'Skip', 'Third', 'Second', 'Lead', 'Alternate']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Austria', 'Alois Kreidl', 'Stefan Salinger', 'Hubert Gründhammer', 'Florian Lintner', 'Max Ehammer']
SQL:

assistant: SELECT "Skip" FROM "Table" WHERE "Alternate" = 'Laurens Van Der Windt';