Question: When was the only album by the firm released?

full_context: Document 1: Firm Biz: "Firm Biz" is the first single by the Hip hop supergroup The Firm from their singular collaborative LP "The Album". The song was produced by L.E.S, who based the song's track on a sample of Teena Marie's 1981 hit "Square Biz". "Firm Biz" also features a chorus performed by former En Vogue singer Dawn Robinson, reworked from the "Square Biz" chorus. AZ raps the first verse of the song, Nas the second, and Foxy Brown the third and final verse. The song never reached any US chart positions, but was a UK Top 20 hit in 1997. A remix of the song was released, featuring a verse from Half-A-Mill and a chorus by Mary J. Blige. The word "feds" is censored in the explicit version, in verse 2, performed by Nas, when he says "Never that though Black .4-4's for feds".
Document 2: Foxy Brown (rapper): Inga DeCarlo Fung Marchand (born September 6, 1978), better known by her stage name Foxy Brown, is an American rapper, model, and actress. She is of mixed Afro-Trinidadian, Indo-Trinidadian and Chinese Trinidadian descent. She is best known for her solo work, as well as numerous collaborations with other artists and her brief stint as part of hip hop group The Firm. Raised in Brooklyn, New York, her father Winston Marchand abandoned the family at a young age to pursue his career at ERAC records. Her albums include "Ill Na Na" in 1996, followed by "Chyna Doll" in 1999, and Grammy-nominated "Broken Silence" in 2001. She also performed on the 1997 self-titled album by the Firm, the only album to be released by that group to date. She has held an extensive arrest record and served some time in jail.
Document 3: Lauryn Hill: Lauryn Noelle Hill (born May 26, 1975) is an American singer, songwriter, rapper, record producer, and actress. She is best known for being a member of the Fugees and for her critically acclaimed solo album "The Miseducation of Lauryn Hill", which won numerous awards and broke several sales records.
Document 4: Ultramagnetic MCs: The Ultramagnetic MCs is an American hip hop group based in Bronx, New York. Founded by Kool Keith, the group also includes Ced Gee, TR Love, and Moe Love. Tim Dog became an unofficial member in 1989. In 1990, DJ Jaycee was added as Roadmanager and backup DJ. Big.D was put down with the crew by Kool Keith in 1989. In 2006 Kool Keith and Big.D formed the supergroup The Commissioner, and in 1999 Big.D and D.J Moe-Love also formed the powerhouse group Slaughterhouse-Cartel. A former member, Rooney Roon, was fired following an assault arrest. Beat-boxing legend Rahzel was also involved with the group early in its career. The group's work was associated with unorthodox sampling, polysyllabic rhymes, and bizarre lyrical imagery.
Document 5: The Firm (hip hop group): The Firm was an American hip hop supergroup that formed in New York City in 1996. It was created by rapper Nas, his manager Steve Stoute, producer Dr. Dre and production team the Trackmasters. The group was composed of East Coast-based rappers Nas, Foxy Brown, AZ and also Nature, who served as a replacement for Cormega after he was ousted from the group.
Document 6: Big Bad Mamma: "Big Bad Mamma" is a single by American rapper Foxy Brown and American R&B group Dru Hill from the soundtrack to the 1997 film, "How to Be a Player". The song also appeared on the re-issue of Foxy Brown's debut album, "Ill Na Na".
Document 7: The Diplomats: The Diplomats (popularly known as Dipset) were an American hip hop group founded in 1997 by Cam'ron and Jim Jones, in Harlem, New York City. The group was originally composed of members Cam'ron, Jim Jones and Freekey Zekey, all of whom grew up together in Harlem. In 1999, fellow Harlem-based rapper Juelz Santana was added to the group.
Document 8: Foxy Brown (singer): Foxy Brown is a reggae singer born in Jamaica as Jennifer Esmerelda Hylton. Her first introduction to the reggae charts was via the Steely & Clevie-produced versions of Tracy Chapman's "(Sorry) Baby, Can I Hold You Tonight" and "Fast Car," the former even entering "Billboard's" Black Singles Chart. These led to her being regarded as Jamaica's Tracy Chapman. She released her debut album "Foxy", in 1989, which showcased her original songwriting. In 1990 she had a hit with the dancehall single "Always For Me", and a second album, "My Kind of Girl", followed in the same year. She also had a hit with Johnny P called "If you Love Me".
Document 9: Grandmaster Flash and the Furious Five: Grandmaster Flash and the Furious Five were an American hip hop group formed in the South Bronx of New York City in 1976. Composed of one DJ (Grandmaster Flash) and five rappers (Melle Mel, The Kidd Creole, Keith Cowboy, Mr. Ness/Scorpio, and Rahiem), the group's use of turntablism, break-beat deejaying, and conscious lyricism were significant in the early development of hip hop music.
Document 10: Ivy Queen: Martha Ivelisse Pesante Rodríguez (born March 4, 1972), known as Ivy Queen, is a Puerto Rican singer, songwriter, rapper, actress and record producer. She was born in Añasco, Puerto Rico, but later moved with her parents to New York City, where she lived until she finished her public education, before returning to Añasco. When she was 18 years old, Queen moved to San Juan where she met record producer DJ Negro, who helped her gain performing spots with a group called "The Noise" at a local club. There she performed her first song "Somos Raperos Pero No Delincuentes" "(We are Rappers, Not Gangsters)". The Noise gained much attention due to their violent and explicitly sexual lyrics. Queen went solo in 1996, and released her debut studio album "En Mi Imperio (In My Empire)" which was quickly picked up by Sony Discos for distribution in 1997.
Document 11: AZ (rapper): Anthony Cruz (born March 9, 1972), better known by his stage name AZ, is an American rapper born in Brooklyn, NY. He is known for being a longtime and frequent rhyme partner of Nas, and also a member of hip-hop group The Firm alongside Nas, Foxy Brown, Cormega and Nature. In a countdown of the 10 Most Underappreciated Rappers—Most Underrated Rappers of All Time, the editors of About.com listed AZ as #1 on the list. He was also included on About.com's list of the Top 50 MCs of Our Time (1987–2007), where he was described as "arguably the most underrated lyricist ever."AZ first became known by appearing on Nas' landmark 1994 album "Illmatic" on the song "Life's a Bitch", as well as featuring vocals on the opening track The Genesis. AZ signed with EMI, and soon released his debut album "Doe Or Die" in 1995 to critical acclaim. The album's lead single, "Sugar Hill", became AZ's major commercial success as a solo artist, reaching #25 on the "Billboard" Hot 100 chart, and achieving Gold status. AZ's EMI contract was transferred to sister label Noo Trybe/Virgin Records when the EMI Label Group was shut down.
Document 12: I'll Be (song): "I'll Be" is a song recorded by American rapper Foxy Brown for her debut studio album "Ill Na Na" (1996), featuring American rapper Jay-Z. It was released as the second single from the album on March 4, 1997 by Violator and Def Jam Recordings. The song was written by Shawn Carter, Jean-Claude Olivier, Samuel Barnes, Angela Winbush, René Moore, Bobby Watson and Bruce Swedien with production by Trackmasters, and samples René & Angela's 1985 song "I'll Be Good". It was recorded at Chung King Studios in New York City, while the mixing of the track was finished at The Hit Factory. "I'll Be" is a hip hop and R&B song with explicit lyrics that revolve around sex and money.
Document 13: I Can't: "I Can't" is a song recorded by American rapper Foxy Brown featuring the R&B girl group Total. It was released as the second single from her second studio album "Chyna Doll" in 1999 by Def Jam.
Document 14: Shystie: Chanelle Scott Calica (born 25 December 1983), better known by her stage name Shystie, is an English rapper-songwriter and actress. Her mother was born and raised in Barbados and her father born and raised in Grenada, making her heritage West-Indian. She grew up in Hackney, East London. Shystie started gaining fame in 2003 with her white label response to Dizzee Rascal's "I Luv U" and a tour with Basement Jaxx, The Streets and 50 Cent, which led to her being signed by major label Polydor. She is also the leading actress in the television series "Dubplate Drama".
Document 15: It Was Written: It Was Written is the second studio album by American rapper Nas, released July 2, 1996 on Columbia Records in the United States. Following the moderate sales success of his acclaimed debut album, "Illmatic" (1994), Nas chose to focus his efforts in a more mainstream direction. Primarily produced by Trackmasters, it is a departure for him from the raw, underground tone of his debut album towards a more polished, mainstream sound. The album features mafioso and gangsta themes, and marks the first appearance of Nas's short-lived supergroup The Firm, which included rappers Foxy Brown, AZ, and Cormega.
ground_truth: 1997