Task: Question Generation
Input (English): The final two contestants were Lee DeWyze and Bowersox. DeWyze was declared the winner during the May 26 finale. No new song was used as coronation song this year; instead, the two finalists each released a cover song – DeWyze chose U2's "Beautiful Day", and Bowersox chose Patty Griffin's "Up to the Mountain". This is the first season where neither finalist achieved significant album sales.
Output (English): When was the finale held?