List of best-selling singles by year (Germany)

Columns: # | Artist | Artist 's nationality | Title
1 | Helene Fischer | Germany | Atemlos durch die Nacht | 2 | Pharrell Williams | United States | Happy | 3 | Mr Probz | Netherlands | Waves ( Robin Schulz Remix ) | 4 | Andreas Bourani | Germany | Auf uns | 5 | Mark Forster featuring Sido | Germany | Au revoir | 6 | Lilly Wood and the Prick & Robin Schulz | France Germany | Prayer in C ( Robin Schulz Remix ) | 7 | Clean Bandit featuring Jess Glynne | United Kingdom | Rather Be

Example questions:
What was the name of the debut album of the artist that had the German 2014 hit `` All of Me ? `` ? | What is the birthname of the artist that had the German 2014 hit song Waves ? | Which of the artists that contributed to the German 2014 best-selling song `` Timber `` is older ? | What contributor of the 2014 German best-selling single Dark Horse voiced a character in The Smurfs ? | What was the name of the German 2014 hit by the artist who was born Adam Richard Wiles ?

Answers:
Get Lifted | Dennis Princewell Stehr | Pitbull | Katy Perry | Summer