user: Question: Which Binibining Pilipinas-World has a Second runner-up of Sonia Santiago?
Columns: ['Year', 'Binibining Pilipinas-Universe', 'Binibining Pilipinas-World', 'Binibining Pilipinas International', 'Miss Maja Pilipinas', 'First runner-up', 'Second runner-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1992.0, 'Elizabeth Berroya', 'Marilen Espino', 'Jo-Anne Timothea Alivio', 'Marina Benipayo', 'Hazel Huelves', 'Michelle Buan']
SQL:

assistant: SELECT "Binibining Pilipinas-World" FROM "Table" WHERE "Second runner-up" = 'Sonia Santiago';