Question: Who was the artist who worked with Max Martin and a Swedish songwriter to make her second greatest hits album?
Sentence (from "Shellback (record producer)"): Shellback was listed as the No. 1 producer of 2012 on "Billboard" magazine's year end chart, and he also topped the list of their "Top 10 Songwriters Airplay Chart" the same year; he has won four Grammy Awards.
Relevant evidence: No