Question: Bebe Rexha was a singer who guested on the David Guetta song that was produced by which Dutch DJ?
Related documents: [0]  [DOC] Bleta "Bebe" Rexha ( ; ] ; born August 30, 1989) is an American singer, songwriter and record producer. She is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as G-Eazy's "Me, Myself & I", David Guetta's "Hey Mama", Martin Garrix's "In the Name of Love" and Cash Cash's "Take Me Home". She also co-wrote the chart-topping Eminem and Rihanna single "The Monster", among others. In March 2016, she released the single "No Broken Hearts", featuring Nicki Minaj. "I Got You" was released as the lead single from her EP "". "The Way I Are (Dance with Somebody)" was released as the lead single from her third EP "". [END] 
[1]  [DOC] "Hey Mama" is a song by French DJ and record producer David Guetta, featuring vocals from Nicki Minaj and Bebe Rexha, as well as production from Dutch DJ and producer Afrojack. The song was released on 16 March 2015 as the fourth single from Guetta's sixth studio album, "Listen" (2014). [END] 
Answer: 
Afrojack
Afrojack