user: Question: Which Lead has a Second of Katrin Kuusk?
Columns: ['Nation', 'Skip', 'Third', 'Second', 'Lead']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Estonia', 'Kristiine Lill', 'Ööle Janson', 'Katrin Kuusk', 'Marju Velga']
SQL:

assistant: SELECT "Lead" FROM "Table" WHERE "Second" = 'Katrin Kuusk';