CREATE TABLE table_name_9 (opponents_in_final VARCHAR2, outcome VARCHAR2, date VARCHAR2)

Who was the opponents in the final that was played on April 16, 2006 and the outcome was runner-up?
SELECT opponents_in_final FROM table_name_9 WHERE outcome = "runner-up" AND date = "april 16, 2006"
SELECT "opponents_in_final" FROM "table_name_9" WHERE "april 16, 2006" = "date" AND "outcome" = "runner-up"