Question: The Railpower GG20B "Green Goat" is powered by an item sold by what American corporation?
Sentence (from "Selina Trieff"): Among her animal paintings are "Green Goat with Moon" (1983), "Two Figures with Goat" (1997), "Three Figures with Green Goat" (1992) and "Connected" (1996).
Relevant evidence: No