Question:  Roy Black is a civil and criminal defense trial attorney who has represented an American financier and registered sex offender who served how many months in prision for his conviction of soliciting an underage girl for prostitution?
Sentence (from "Roy Black (attorney)"): He is best known for his gaining an acquittal, in 1991, of William Kennedy Smith on charges of rape and for his representation of conservative radio commentator Rush Limbaugh.
Relevant evidence: No