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_name_9 ( opponents_in_final VARCHAR, outcome VARCHAR, date VARCHAR )

### Question ###
Who was the opponents in the final that was played on April 16, 2006 and the outcome was runner-up?

### Accurate SQL ###

SELECT opponents_in_final FROM table_name_9 WHERE outcome = "runner-up" AND date = "april 16, 2006"