user: Question: Who won Miss Universe Philippines when Regina Hahn was second runner-up?
Columns: ['Year', 'Miss Universe Philippines', 'Binibining Pilipinas-World', 'Binibining Pilipinas-International', 'Binibining Pilipinas-Tourism', 'First runner-up', 'Second runner-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2000.0, 'Nina Ricci Alagao', 'Katherine Annwen de Guzman', 'Joanna Maria Peñaloza', 'Not awarded', 'Maria Cristina Tan', 'Nicole Hofer']
SQL:

assistant: SELECT "Miss Universe Philippines" FROM "Table" WHERE "Second runner-up" = 'Regina Hahn';