user: Question: Which lead has Kirsty Balfour as second?
Columns: ['Nation', 'Skip', 'Third', 'Second', 'Lead']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Croatia', 'Katarina Radonic', 'Nikolina Petric', 'Zrinka Muhek', 'Marta Muzdalo']
SQL:

assistant: SELECT "Lead" FROM "Table" WHERE "Skip" = 'Kirsty Balfour';