List of best-selling singles by year (Germany)

Columns: # | Artist | Artist 's nationality | Title
8 | Robin Schulz featuring Francesco Yates | Germany Canada | Sugar | 9 | Wiz Khalifa featuring Charlie Puth | United States | See You Again | 10 | Kygo featuring Conrad Sewell | Norway Australia | Firestone | 11 | Philipp Dittberner & Marv | Germany | Wolke 4 | 12 | Namika | Germany | Lieblingsmensch | 13 | Sarah Connor | Germany | Wie schön du bist | 14 | Lost Frequencies featuring Janieck Devy | Belgium | Reality

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