List of best-selling singles by year (Germany)

Columns: # | Artist | Artist 's nationality | Title
1 | Timbaland presents OneRepublic | United States | Apologize | 2 | Leona Lewis | United Kingdom | Bleeding Love | 3 | Kid Rock | United States | All Summer Long | 4 | Schnuffel | Germany | Kuschel Song | 5 | Katy Perry | United States | I Kissed a Girl | 6 | Duffy | United Kingdom | Mercy | 7 | Ich + Ich | Germany | So soll es bleiben

Example questions:
Where did the best-selling singles by year singer in 2008 of Bleeding Love attend school ? | Who is the youngest best-selling singles in 2008 by year artist that contributed to the song 4 Minutes ? | What is the birth name of the best-selling singles by year singer of So What in 2008 ? | What is the birth name for the best-selling singles in 2008 by year artist who recorded All Summer Long ?

Answers:
BRIT School for Performing Arts and Technology | Justin Timberlake | Alecia Beth Moore | Robert James Ritchie