List of best-selling singles

Columns: Artist | Single | Released | Sales ( in millions )
Tino Rossi | Petit Papa Noël | 1946 | 5.7 | Christina Aguilera , Lil ' Kim , Mýa and Pink | Lady Marmalade | 2001 | 5.5 | 1910 Fruitgum Company | Simon Says | 1967 | 5 | ABBA | Waterloo | 1974 | 5 | Gene Austin | My Blue Heaven | 1927 | 5 | Gene Autry | That Silver-Haired Daddy of Mine | 1935 | 5 | The Beatles | She Loves You | 1963 | 5

Example questions:
Which best selling single was released by a Welsh artist with knighthood ? | Which best selling single was released by an artist born on 29 April 1907 ? | What were the sales in millions of the best selling single written by Bob Crewe and Kenny Nolan ? | What were the sales in millions of the best selling single by a German musical project founded in 1990 ?

Answers:
Delilah | Petit Papa Noël | 5.5 | 5