Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_62433 ( "Year" real, "Miss Universe Philippines" text, "Binibining Pilipinas-World" text, "Binibining Pilipinas-International" text, "Binibining Pilipinas-Tourism" text, "First runner-up" text, "Second runner-up" text )

### Question ###
Who won Miss Universe Philippines when Regina Hahn was second runner-up?

### Accurate SQL ###

SELECT "Miss Universe Philippines" FROM table_62433 WHERE "Second runner-up" = 'regina hahn'