user: ### NOW ANSWER:
Question: who is the artist performing at Heineken Music Hall?
Columns: ['Year', 'Winner', 'Language', 'Artist', 'Song', 'Points', 'Margin', 'Second place', 'Date', 'Venue', 'Location', 'Participants']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [2003.0, 'Croatia', 'Croatian', 'Dino Jelusić', '"Ti si moja prva ljubav"', 134.0, 9.0, 'Spain', '15 November 2003', 'Forum Copenhagen', 'Copenhagen', 16.0]
SQL:

assistant: SELECT "Artist" FROM "Table" WHERE "Venue" = 'Heineken Music Hall';