List of best-selling singles by year (Germany)

Columns: # | Artist | Artist 's nationality | Title
15 | George Ezra | United Kingdom | Budapest | 16 | John Legend | United States | All of Me | 17 | Calvin Harris | United Kingdom | Summer | 18 | Nico & Vinz | Norway | Am I Wrong | 19 | Pitbull featuring Kesha | United States | Timber | 20 | Kiesza | Canada | Hideaway

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