Question: What year did the country music duo composed of sisters Janis Oliver and Kristine Arnold second album come out?
Sentence (from "Brooks &amp; Dunn discography"): Two of their Number Ones have been declared by "Billboard" as the country single of the year: a cover of B.W. Stevenson's "My Maria" in 1996, and "Ain't Nothing 'bout You" (which is also their longest-lasting Number One, at six weeks) in 2001.
Relevant evidence: No