Question: Which Canadian singer began his recording career with a self-titled debut album released on May 19 1998, and won Rolling Stone's Best New Artist award that year?
Sentence (from "Rufus Wainwright discography"): Although his success was limited, Wainwright reached #24 on "Billboard's" Top Heatseekers chart, and "Rolling Stone" named him 1998's Best New Artist.
Relevant evidence: Yes