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?
{'answer': 'David Guetta', 'supporting_facts': [['Bebe Rexha', 1], ['Hey Mama (David Guetta song)', 0]]}