Question: What season of The Voice did the lead vocalist of No Doubt appear on?

<P0-S0> L.A.M.B. was a fashion line by American singer Gwen Stefani, the lead vocalist of the rock band No Doubt. <P0-S1>  The line manufactured apparel and fashion accessories. <P0-S2>  It was founded in 2003 and made its runway debut in 2004. <P0-S3>  The fashion line manufactured accessories like shoes, watches, bags and a fragrance called "L." The name is an acronym of her debut solo album "Love. <P0-S4>  Angel. <P0-S5>  Music. <P0-S6>  Baby". <SEP> <P1-S0> Jeffery Austin McClelland, Jr. (born April 15, 1991), better known by his stage name Jeffery Austin, is an American pop musician and was a contestant on the ninth season of The Voice, turning a single chair and defaulting to be a member of Gwen Stefani's team. <P1-S1>  He eventually finished in fourth place, behind Jordan Smith, Emily Ann Roberts, and Barrett Baber. <P1-S2>  His compilation album, "The Voice: The Complete Season 9 Collection", placed on the "Billboard" magazine charts. <SEP> <P2-S0> Mike Mattison is an American musician and vocalist of the Grammy Award-winning blues rock/soul group, the Tedeschi Trucks Band, as well as lead vocalist and co-founder of the blues rock trio Scrapomatic. <P2-S1>  Mattison's vocal sound has been described as "strong," with an "expressive blues voice". <P2-S2>  As lead vocalist of Scrapomatic, he picked up a nomination for Minnesota Music Awards best male vocalist, and both he and co-founder Paul Olsen were also nominated for best R&B Group. <P2-S3>  Mattison was previously the lead vocalist of the Grammy Award winning Derek Trucks Band and has been a main songwriter of all three bands. <P2-S4>  He is also an active essayist who publishes on music and poetry. <P2-S5>  Since 2013 Mattison and Ernest Suarez have edited “Hot Rocks: Songs and Verse,” an ongoing feature in Five Points: A Journal of Literature and Art. <SEP> <P3-S0>  She is a co-founder and the lead vocalist of the band No Doubt that experienced major success after their breakthrough studio album "Tragic Kingdom" (1995) along with various successful singles, including "Just a Girl", "Don't Speak", "Hey Baby", and "It's My Life". <P3-S1>  During the band's hiatus, Stefani embarked on a solo pop career in 2004 by releasing her debut studio album "Love. <P3-S2>  Angel. <P3-S3>  Music. <P3-S4>  Baby. <P3-S5> " Inspired by pop music from the 1980s, the album was met with both critical and commercial success. <P3-S6>  It spawned three commercially successful singles: "What You Waiting For? <P3-S7> Gwen Renée Stefani ( ; born October 3, 1969) is an American singer, songwriter, fashion designer, actress, and television personality. <P3-S8> ", "Rich Girl", and "Hollaback Girl", the latter reached number one on the "Billboard" Hot 100 while also becoming the first US download to sell one million copies. <P3-S9>  In 2006 Stefani released her second studio album "The Sweet Escape". <P3-S10>  The album produced two successful singles: "Wind It Up" and the album's title track "The Sweet Escape". <P3-S11>  Her third solo album "This Is What the Truth Feels Like" was released in March 2016 and became her first solo number-one album on the "Billboard" 200.