user: Question: What episode in the series is TV broadcast S03E20?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written By', 'Originalairdate', 'TV Broadcast']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [54.0, 1.0, '"Space Invaders, Part 1"', 'Roy Burdine', 'Dean Stefan', 'October9,2004', 'S03E02']
SQL:

assistant: SELECT "No. in series" FROM "Table" WHERE "TV Broadcast" = 'S03E20';