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 "Randy Travis"): Since 1985, he has recorded 20 studio albums and charted more than 50 singles on the "Billboard" Hot Country Songs charts, and 16 of these were number-one hits.
Relevant evidence: Yes