Question: How many number-one US jazz albums did this American artist who released Blue Light, Red Light release?
Sentence (from "Blue hour"): The blue hour (from French "l'heure bleue ") is a period of twilight in the morning and in the evening, during the civil and nautical twilight phases, when the Sun is at a significant depth below the horizon and when the residual, indirect sunlight takes on a predominantly blue shade.
Relevant evidence: No