user: Question: What time did the season finale air on May 20, 2003?
Columns: ['Season', 'Timeslot', 'Premiere', 'Finale', 'TV season', 'Ranking', 'Viewers (in millions)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['1st', 'Wednesday 8:30 p.m.', 'October 3, 2001', 'May 15, 2002', '2001–2002', '#55', 10.0]
SQL:

assistant: SELECT "Timeslot" FROM "Table" WHERE "Finale" = 'May 20, 2003';