Question: A Girl like Me is the second studio album by Barbadian singer Rihanna, who worked with Evan Rogers, Carl Sturken, StarGate, J. R. Rotem and label-mate Ne-Yo, who wrote the album's second single,  "Unfaithful" , written by who?
{'answer': 'Shaffer "Ne-Yo" Smith', 'supporting_facts': [['A Girl like Me (Rihanna album)', 0], ['A Girl like Me (Rihanna album)', 2], ['Unfaithful (song)', 1]]}