Question: What nationality is the performer of song Once Upon A December?
Sentence (from "Liz Callaway"): Liz Callaway (born April 13, 1961) is an American singer, actress and recording artist, who is best known for having provided the singing voices of many female characters in animated films, such as Anya/Anastasia in "Anastasia", Odette in "The Swan Princess", Jasmine in the "Aladdin" sequels "
Relevant evidence: Yes