Question: Songs of the Season is the second Christmas album by an American singer who, since 1985, has recorded 20 studio albums, and charted more than how many singles on the Billboard Hot Country Songs charts?
Sentence (from "Kathy Mattea"): Kathleen Alice "Kathy" Mattea (born June 21, 1959) is an American country music and bluegrass performer who often brings folk, Celtic, and traditional country sounds to her music.
Relevant evidence: No