Question: "Toothbrush" is a song by American band DNCE from their debut EP "Swaay" (2015), the song was written by which DNCE member, an American singer and actor?
Sentence (from "Toothbrush (DNCE song)"): "Toothbrush" is a song by American band DNCE from their debut EP "Swaay" (2015) and debut studio album "DNCE".
Relevant evidence: No