List of best-selling singles by year (Germany)

Columns: # | Artist | Artist 's nationality | Title
8 | Hurts | United Kingdom | Wonderful Life | 9 | Keri Hilson | United States | I Like | 10 | Kesha | United States | Tik Tok | 11 | Eminem featuring Rihanna | United States Barbados | Love the Way You Lie | 12 | Madcon | Norway | Glow | 13 | Mehrzad Marashi | Germany | Do n't Believe | 14 | Velile & Safri Duo | South Africa Denmark | Helele

Example questions:
What is the nationality of the best-selling artist in Germany in 2010 who was a Native Hawaiian singer-songwriter , musician , and Hawaiian sovereignty activist ? | What is the nationality of the band that was founded in 1999 and had a best-selling single in Germany in 2010 ? | What is the nationality of the duo that formed in 2009 and had a best-selling single in Germany in 2010 ? | What is the nationality of the artist who has sold over 8.5 million records worldwide and had a best-selling single in Germany in 2010 ?

Answers:
United States | Germany | United Kingdom | Belgium