user: ### NOW ANSWER:
Question: Who is the artiest when the number one single is "Elle"?
Columns: ['Artist', 'Country', 'Number-one single(s)', 'Year', 'Weeks at #1', 'Straight to #1 ?']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['M, Mélissa', 'France', '"Elle"', 2007.0, 1.0, 'Yes']
SQL:

assistant: SELECT "Artist" FROM "Table" WHERE "Number-one single(s)" = '"Elle"';