Question: Which Binibining Pilipinas-World has a Second runner-up of Sonia Santiago?
SQL: SELECT "Binibining Pilipinas-World" FROM "2-1825751-3" WHERE "Second runner-up" = 'Sonia Santiago';

Question: Which Year has a Binibining Pilipinas International of Alma Concepcion?
SQL: SELECT "Year" FROM "2-1825751-3" WHERE "Binibining Pilipinas International" = 'Alma Concepcion';

Question: Which Binibining Pilipinas International has a Binibining Pilipinas-World of Sharmaine Gutierrez?
SQL: SELECT "Binibining Pilipinas International" FROM "2-1825751-3" WHERE "Binibining Pilipinas-World" = 'Sharmaine Gutierrez';