Question: What is the nationality of the singer who had a single co-produced by Nisan Cumming Stewart?
Sentence (from "Nisan Stewart"): , he co-produced Karen Clark Sheard's 2002 album "2nd Chance", and co-produced and co-wrote the Nelly Furtado single "No Hay Igual" (from her 2006 album "Loose") with Timbaland.
Relevant evidence: Yes