List of best-selling singles by year (Germany)

Columns: # | Artist | Artist 's nationality | Title
15 | Anna Naklab featuring Alle Farben & YOUNOTUS | Germany | Supergirl | 16 | Jason Derulo | United States | Want to Want Me | 17 | Gestört aber Geil featuring Wincent Weiss | Germany | Unter meiner Haut | 18 | Ed Sheeran | United Kingdom | Photograph | 19 | Robin Schulz featuring Ilsey | Germany United States | Headlights | 20 | Kygo featuring Parson James | Norway | Stole the Show

Example questions:
What is the title of the 2015 best-selling song whose artist is currently signed to Ultra Music ? | What is the title of the 2015 best-selling song whose artist career began when she met record producers Starsmith and Frankmusik ? | What is the title of the 2015 best-selling song whose artist graduated from the BRIT School in 2006 ? | What is the title of the 2015 best-selling song whose artist was born on 17 February 1991 ? | What is the title of the 2015 best-selling song whose artist became part of a church choir at the age of six ?

Answers:
Cheerleader ( Felix Jaehn Remix ) | Love Me Like You Do | Hello | Photograph | Wie schön du bist