CREATE TABLE table_name_72 (binibining_pilipinas_world VARCHAR, second_runner_up VARCHAR)

Which Binibining Pilipinas-World has a Second runner-up of sonia santiago?
SELECT binibining_pilipinas_world FROM table_name_72 WHERE second_runner_up = "sonia santiago"
SELECT "binibining_pilipinas_world" FROM "table_name_72" WHERE "second_runner_up" = "sonia santiago"