Question: Bleta "Bebe" Rexha, is an American singer, songwriter and record producer, and is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as "Hey Mama" is a song by French DJ and which record producer? 
Sentence (from "Robert L. Smith (recording engineer)"): Robert L. Smith (born 1965) is a record producer and recording engineer in New York City, USA.
Relevant evidence: No