user: Question: Which Nation has a Lead of Alexandra Bruckmiller?
Columns: ['Nation', 'Skip', 'Third', 'Second', 'Lead']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Austria', 'Karina Toth', 'Constanze Hummelt', 'Jasmin Seidl', 'Alexandra Bruckmiller']
SQL:

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