Question: Christopher Alan "Tricky" Stewart, is a Grammy Award winning record producer, songwriter, executive producer, and music publisher, of Stewart's record breaking single is Umbrella, released in which year, a song by Barbadian singer Rihanna from her third studio album?
Sentence (from "Tricky Stewart"): In a career spanning over 20 years, Stewart, at the helm of his company RedZone Entertainment, has won 5 Grammy's and is responsible for over 10 million records sold.
Relevant evidence: No