Question: Who was the bassist for Tool's song "Schism"?

full_context: Document 1: Ænima: Ænima ("ON-ima") is the second studio album by American rock band Tool. It was released in vinyl format on September 17, 1996, and in compact disc format on October 1, 1996, through Zoo Entertainment. The album was recorded and cut at Ocean Way, Hollywood and The Hook, North Hollywood from 1995 to 1996. The album was produced by David Bottrill.
Document 2: Adam Jones (musician): Adam Thomas Jones (born January 15, 1965) is a three-time Grammy Award-winning American musician and visual artist, best known for his position as the guitarist for Tool. Jones has been rated the 75th Greatest Guitarist of all time by the "Rolling Stone" and placed ninth in "Guitar World's" Top 100 Greatest metal Guitarists. Jones is also the director of the majority of Tool's music videos.
Document 3: H. (song): "H." is a song by the American rock band Tool. The song was released as the second single from their third album, "Ænima" on March 19, 1997. "H." reached number 23 on the U.S. Mainstream Rock Tracks chart.
Document 4: Parabola (song): "Parabola" is a song by the American rock band Tool, the song was released as the second single from their third studio album "Lateralus". It was released in 2002 as a promo only, however, on December 20, 2005, the single was re-released, which includes the song and a DVD containing the music video and an optional "dual" audio commentary on the video by Jello Biafra of Dead Kennedys fame. The dual commentary consists of two separate recordings of Biafra's voice, one playing in each stereo channel. The DVD was released alongside a DVD single for "Schism" as well.
Document 5: Tool of the Man: Tool of the Man is the fourth album by American alternative rock band Poster Children, released in 1993. The title of the album comes from graffiti written in dust on the band's van during the South by Southwest Festival: "Poster Children, Band of the Year, Tool of the Man". The album art consists of several optical illusions, including an afterimage of the United States flag on the front cover.
Document 6: Maynard James Keenan discography: Maynard James Keenan is best known as the lead singer of rock bands Tool, with whom he has recorded four studio albums and earned two Grammy Awards, and A Perfect Circle, with whom he has recorded three studio albums. Puscifer, a side project created by Keenan, has released three studio albums.
Document 7: Schism (song): "Schism" is a song by American rock band Tool. It was the first single and music video from their third full-length album, "Lateralus". In 2002, Tool won the Grammy Award for Best Metal Performance for the song. "Schism" was released as a DVD single on December 20, 2005. The DVD contains the music video, dual-commentary by David Yow, and a remix by Lustmord.
Document 8: Forty Six &amp; 2: "Forty Six & 2" is a song by the American Progressive Metal band Tool. It was released as the fourth single from their third major label release "Ænima" in 1997 and received radio airplay.
Document 9: Puscifer: is an American band formed in Los Angeles by Maynard James Keenan, known as the lead singer of the bands Tool and A Perfect Circle. As Keenan is the only permanent member, he considers the project to be his "creative subconscious." In light of this, Puscifer is considered a pseudonym for his solo work.
Document 10: Tom Morello discography: This is the discography of Tom Morello, an American Grammy-award winning rock guitarist most known for his work with the bands Rage Against the Machine, Audioslave, Street Sweeper Social Club and as his folk alter-ego The Nightwatchman. Morello started playing guitar in the mid 80's in the band Electric Sheep together with future Tool guitarist Adam Jones on bass. After graduating "" from Harvard University in 1986 with a BA in political science, he moved to Los Angeles, where he briefly worked as an aide to Senator Alan Cranston. Later Adam Jones moved to L.A. as well; Morello introduced Jones and Maynard James Keenan to Danny Carey, who would come to form the band Tool. In the late 80's Morello was recruited to replace original guitar player Mike Livingston in the rock band Lock Up, in 1986 the band released its only album Something Bitchin' This Way Comes. In 1991 Morello left Lock Up to start a new band, after being impressed by Zack de la Rocha freestyle rapping he invited him to join his band, he also drafted Brad Wilk who had previously auditioned as a drummer for Lock Up. After Zack convinced his childhood friend Tim Commerford to join as the band's bass player the line up was complete.
Document 11: Tool (band): Tool is an American rock band from Los Angeles, California. Formed in 1990, the group's line-up includes drummer Danny Carey, guitarist Adam Jones, and vocalist Maynard James Keenan. Justin Chancellor has been the band's bassist since 1995, replacing their original bassist Paul D'Amour. Tool has won three Grammy Awards, performed worldwide tours, and produced albums topping the charts in several countries.
Document 12: A Perfect Circle: A Perfect Circle is an American rock supergroup formed in 1999 by guitarist Billy Howerdel and Tool vocalist Maynard James Keenan. A Perfect Circle has released three albums: their debut "Mer de Noms" in 2000, a follow up, "Thirteenth Step" in 2003, and an album of radically re-worked cover songs titled "Emotive" in 2004. Shortly after "Emotive"' s release, the band went into hiatus while Keenan returned to Tool and starting up solo work in the form of the band Puscifer, and Howerdel releasing a solo album, "Keep Telling Myself It's Alright", under the moniker Ashes Divide. Band activity was sporadic in the coming years; the band reformed in 2010, and played live shows on and off between 2010 and 2013, but fell into inactivity after the release of their greatest hits album, "Three Sixty", and a live album box set, "" in late 2013. However, in 2017, the band returned to touring and announced plans to record and release a fourth studio album under a new record label, BMG Rights Management, between late 2017 and early 2018.
Document 13: Maynard James Keenan: Maynard James Keenan (born James Herbert Keenan; April 17, 1964), often referred to by his initials MJK, is an American singer, songwriter, musician, record producer, actor, and winemaker. He is best known as the vocalist for the alternative rock bands Tool, A Perfect Circle, and Puscifer.
Document 14: A Perfect Circle discography: The discography of American alternative rock supergroup A Perfect Circle consists of three studio albums, two compilation albums, one extended play, one video album, nine singles, one promotional single and ten music videos. A Perfect Circle is the brainchild of Billy Howerdel. After hearing demos of Howerdel's music, Maynard James Keenan, the lead singer of Tool, offered his services as vocalist. Howerdel agreed, and the band formed in 1999. They were then joined by bassist/violinist Paz Lenchantin, guitarist Troy Van Leeuwen, formerly of Failure, and drummer Tim Alexander, formerly of Primus. Soon after entering the studio to record their first album, Alexander was replaced by Josh Freese of The Vandals. "Mer de Noms" was released in May 2000, selling 188,000 copies its debut week. The band embarked on a number of headlining tours all over the world to promote the album which was certified gold by the Recording Industry Association of America (RIAA) one month after its release, and platinum just four months later.
Document 15: Hooker with a Penis: "Hooker with a Penis" is a song by the American rock band Tool. It was released on September 17, 1996, as the seventh track off their second studio album, "Ænima". The song is one of the heaviest tracks from the album, and perhaps one of the heaviest songs by Tool. Unlike the more progressive sound found on the rest of the album, the track has elements of hardcore punk and thrash metal especially toward the end with some of Danny Carey's fastest double bass drumming.
ground_truth: Justin Chancellor