Question: Sierra was co-written by the duo signed to what label?
Context: Sobrenatural (English: Supernatural) is the Latin Grammy-nominated second / third studio album by Puerto Rican reggaeton duo Alexis & Fido released on November 13, 2007 by Sony BMG Latin.  The first single from the album is titled "5 Letras" and is produced by Doble A & Nales "Los Presidentes".  Artists featured on the album are Ñejo & Dalmata, Toby Love, De La Ghetto,Voltio, Jadiel, Erick Right and Los Yetzons, a duo signed on to their Wild Dogz label.  Doble A & Nales "Los Presidentes" produced the bulk of the album.  "Sobrenatural" was nominated for a Lo Nuestro Award for Urban Album of the Year. Maddie & Tae is an American female country music duo composed of Madison Marlow and Taylor Dye, both of whom are singers, songwriters, and guitarists.  The duo is signed to Dot Records.  Their debut album, "Start Here", was released on August 28, 2015 and includes the singles "Girl in a Country Song", "Fly", "Shut Up and Fish", and "Sierra". Yomo & Maulkie were a hardcore hip hop duo that was associated with the members of N.W.A. , although the duo was not a gangsta group.  Instead, its lyrics hewed more toward Public Enemy's political style.  Both Yomo and Maulkie came from Los Angeles, where the duo signed with Ruthless Records, the label owned by Eazy-E.  Yomo and Maulkie first worked with Eazy-E in 1989 when they provided additional vocals to The D.O.C.'s debut album "No One Can Do It Better" (which Eazy executive produced).  In 1991, Eazy worked with them again as executive producer for its only full-length album "Are U Xperienced? ", distributed by Atco/Atlantic Records.  The album's name is derived from Jimi Hendrix's 1967 album "Are You Experienced? ".  The group found little commercial success, however.  Maulkie later joined Ice Cube's protégé group Da Lench Mob.  The song "For the Love of Money" off of "Are U Xperienced? " was later, in 1994, reused on the Bone Thugs-n-Harmony single "Foe tha Love of $," from the album "Creepin on ah Come Up". One More Girl is a Canadian country music duo composed of McKillip actress-singers Carly McKillip and Britt McKillip, who are sisters.  The duo signed to EMI Canada in 2008 and released their debut album, "Big Sky", in 2009.  In 2010, they won the Rising Star award at the Canadian Country Music Association Awards.  In August 2011, the duo signed with American pop music label Interscope Records. Data Romance is a Vancouver based electro-indie duo started by Ajay Bhattacharyya, instrumentalist-producer, and Amy Kirkpatrick, singer/lyricist.  Showcasing the modern direction of electronic music, the duo signed to Street Quality Entertainment, the Canadian-based record label, releasing a self-titled EP of four songs in June 2011.  Having toured with the IDentity Festival, Data Romance has released a single titled “The Deep”, which has been featured in NME and Filter Magazines as well as the BBC Radio 1 program.  The duo has been likened to The xx, Bat for Lashes, Lykke Li and Florence and the Machine.  The pair are currently on indefinite hiatus. Australian duo the Veronicas, whose members are twin sisters Jessica Origliasso and Lisa Origliasso, have recorded songs for three studio albums. Having signed with Engine Room Recordings at the age of 19, the Origliasso twins received funding to write and record demos for other artists with different songwriters around the world.  By the age of 20, the duo signed with Sire Records in the United States and began working on their debut studio album "The Secret Life Of...".  The lead single "4ever" was co-written by Dr. Luke and Max Martin who also co-wrote the second single "Everything I'm Not" with the Origliasso twins and Rami Yacoub.  The former song reached number two on the Australian ARIA Charts, while the latter peaked at number seven.  The duo collaborated with Josh Alexander and Billy Steinberg on "When It All Falls Apart" and "Leave Me Alone", both third and fifth singles from the album, respectively. " Revolution", the fourth single from "The Secret Life Of..." was written by Raine Maida and Chantal Kreviazuk.  Preceding the release of the album, the Origliasso's co-wrote the songs "All About Us", "Faded" and "What's Going On" which were later recorded by t.A.T.u., Kate DeAraugo and Casey Donovan, respectively. The Conscious Daughters (TCD) were an American female hip hop duo from the Bay Area, California, United States, consisting of Carla "CMG" Green and the late Karryl "Special One" Smith.  The duo signed in 1993 to Paris's record label, Scarface Records, after passing him a demo tape at a club.  He released their first studio album, "Ear to the Street". "Sierra" is a song co-written and recorded by American country music duo Maddie & Tae.  It was released to radio on May 16, 2016 as the fourth single off of their debut studio album, "Start Here".  The song was written by the duo (Taylor Dye/Madison Marlow) and Aaron Scherz. Ces Cru (often stylized as CES Cru) is an American rap duo from Kansas City, Missouri, currently signed to independent record label Strange Music.  The duo currently consists of members Donnie "Godemis" King (Born June 29, 1979) and Mike "Ubiquitous" Viglione (Born April 22, 1979), but has had numerous members throughout the years.  Ces Cru released their debut album "Capture Enemy Soldiers" in 2004.  They went on to release "Cesphiles, Vol.  1 Codename:irongiant" (2008) and "The Playground" (2009).  In 2012, the duo signed to Tech N9ne's record label Strange Music and have released the EP "13" (2012) and "Recession Proof" (2015).  Their first two studio albums on the label are "Constant Energy Struggles" (2013), and "" (2014).  The most recent release from Ces Cru is their sixth studio album "Catastrophic Event Specialists", released in February 2017. Cool & Dre are a team of American record producers and songwriters from North Miami, Florida, consisting of Marcello "Cool" Antonio Valenzano and Andre "Dre" Christopher Lyon.  The duo are best known for their work with Terror Squad founder Fat Joe, first collaborating on the albums "Jealous Ones Still Envy" and "Loyalty" in 2001 and 2002, respectively.  The duo have also worked extensively with Terror Squad member DJ Khaled, who would go on to found his own We The Best label, and rappers Lil Wayne, The Game, Queen Latifah, and many others.  In August 2010, the duo signed a record deal with Cash Money Records.
Answer: Dot Records