Question: what nationality is the man that discovered the NGC 5879 galaxy? 
Sentence (from "William Herschel"): Frederick William Herschel, (German: "Friedrich Wilhelm Herschel" ; 15 November 1738 – 25 August 1822) was a British astronomer and composer of German and Czech-Jewish origin, and brother of fellow astronomer Caroline Herschel, with whom he worked.
Relevant evidence: Yes