Question: For which band was the writer of Jillian a lead vocalist?

Context paragraphs:
Brave Giant: Brave Giant are an Irish indie/folk band from County Longford, consisting of Podge Gill (lead vocalist, electric guitar, acoustic guitar), Mark Prunty (lead vocalist, electric guitar, acoustic guitar), Ross McNerney (banjo, mandolin, vocalist), Emmett Collum (drums, vocalist) and David Kilbride (bass, vocalist).

Sharon den Adel: Sharon Janny den Adel (born 12 July 1974) is a Dutch singer, songwriter and fashion designer, best known as the lead vocalist and one of the main songwriters in the Dutch symphonic metal band Within Temptation.  She has been a performing musician since the age of 14, and was a founding member of Within Temptation, along with Robert Westerholt, in 1996.

Fruit (band): Fruit are an indie folk rock band from Adelaide, Australia.  The group was formed in 1995, and consists of Mel Watson (lead vocalist, horn player, songwriter), Susie Keynes (lead vocalist, guitarist, songwriter), Sam Lohs (lead vocalist, acoustic guitarist, songwriter), Yanya Boston (drums, percussion), and Brian Ruiz (Bass guitar).  In 2003 they won the "Best Live Album" award at the Australian Live Music Awards.  Their most recent album is Burn, which was released in June 2005.

Teenage Time Killers: Teenage Time Killers is a rock supergroup formed in February 2014 by My Ruin guitarist Mick Murphy and Corrosion of Conformity drummer Reed Mullin.  Guests include Dave Grohl (former drummer of Nirvana and current lead singer of the Foo Fighters), Stephen O'Malley (of Sunn O))) and Burning Witch), Corey Taylor (lead vocalist of Slipknot and founder of Stone Sour), Nick Oliveri (former bassist for Queens of the Stone Age, currently with The Dwarves), Jello Biafra (former front man of Dead Kennedys, currently with The Guantanamo School Of Medicine), Matt Skiba (vocalist and guitarist of Alkaline Trio and current guitarist and vocalist for Blink-182) and Randy Blythe (lead vocalist of Lamb of God).  The band's name refers to the Rudimentary Peni song of the same name.  Their debut album, titled "Teenage Time Killers: Greatest Hits Vol.  1", was recorded at Grohl's Studio 606, and was released July 28, 2015.  through Rise Records, with whom the group signed in December 2014.  The album contains a version of John Cleese's poem "Ode to Hannity," sung by Biafra.  Mullin has stated that he isn't sure whether the group will tour, but that they are considering a live appearance on a show such as "Jimmy Kimmel Live! ", possibly with "three or four singers [coming] out at a time".

Jillian (I'd Give My Heart): "Jillian (I'd Give My Heart)" is a song written by Sharon den Adel, Robert Westerholt and Martijn Spierenburg for the album "The Silent Force" (2004).  It was used to promote Within Temptation's live DVD "The Silent Force Tour" (2005).

Mcoy Fundales (musician): Mcoy Fundales (born 3 November 1977) is a Filipino musician, writer and actor.  He was the former lead vocalist and rhythm guitarist of then-popular Pinoy rock band Orange and Lemons.  He is currently the lead vocalist of the band Kenyo and writer for GMA-7 sitcom Pepito Manaloto.

Benoît David: Benoît Gérard Guy David (] ; born 19 April 1966) is a Canadian singer.  He was the lead singer of the band Mystery from 1999 to 2013 but is best known as the lead vocalist in the English progressive rock band Yes from 2008 to 2012, replacing long-time vocalist and founding member Jon Anderson.  David had to leave Yes due to ill health.  Before joining Yes, David was also the lead vocalist of a Yes tribute band called Close to the Edge.

Mike Mattison: 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.  Mattison's vocal sound has been described as "strong," with an "expressive blues voice".  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.  Mattison was previously the lead vocalist of the Grammy Award winning Derek Trucks Band and has been a main songwriter of all three bands.  He is also an active essayist who publishes on music and poetry.  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.

Cosmic Dust (band): Cosmic Dust, also known as the Cosmic Dust Fusion Band, is an instrumental jazz band formed in 1990 by Jim Templeton.  The band was the first well-known group that guitarist Myles Kennedy played in.  The original lineup consisted of Jim Templeton on keyboard, Gary Edighoffer on saxophone, Clipper Anderson on double bass, Myles Kennedy on guitar, and Scott Reusser on drums.  Kennedy eventually left the band and went on to become the lead vocalist/lead guitarist for a jazz fusion group called Citizen Swing and later an alternative rock band called The Mayfield Four.  Kennedy is now fronting and playing guitar for the hard rock/alternative metal band Alter Bridge, which he helped form with Creed members Mark Tremonti, Scott Phillips, and Brian Marshall in 2004, and is also the lead vocalist for Slash's solo band on tour.

Craig Mabbitt: Craig Edward Mabbitt (born April 9, 1987) is an American singer-songwriter and recording artist.  He is the lead vocalist for American rock band Escape the Fate.  He was formerly the lead vocalist for the bands Blessthefall and The Word Alive.  He is also the current lead vocalist of a side-project band, The Dead Rabbitts, along with Escape the Fate's rhythm guitarist, TJ Bell.

Supporting paragraphs: Jillian (I'd Give My Heart) Sharon den Adel
Answer: Within Temptation