Question: What famous composer is related to American professional boxer Barney Ross?
Sentence (from "Baruch Leib Rosowsky"): Baruch Leib Rosowsky (Latvian: "Baruhs Leibs Rozovskis" , 1841  – 1919) was a famous cantor of the Great Choral Synagogue in Riga and a composer of religious music in Riga, at the time a city in Imperial Russia.
Relevant evidence: Yes