user: Question: Who is the Skip when Alasdair Guthrie is the third?
Columns: ['Country', 'Skip', 'Third', 'Second', 'Lead']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Canada', 'Charley Thomas', 'Brock Virtue', 'Matthew Ng', 'Kyle Reynolds']
SQL:

assistant: SELECT "Skip" FROM "Table" WHERE "Third" = 'Alasdair Guthrie';