Question: The bassist featured in "The World Needs a Hero" currently resides in what city?

full_context: Document 1: Thirteen (Megadeth album): Th1rt3en is the 13th studio album by American thrash metal band Megadeth. It was released worldwide on November 1, 2011, by Roadrunner Records, although the album was released on October 26, 2011 for Japan. "Thirteen" is the first Megadeth studio album since "The World Needs a Hero" (2001) to feature bassist and founding member David Ellefson, who returned to the band in 2010. "Th1rt3en" debuted at number 11 on the "Billboard" 200 chart, selling 42,000 copies in its first week. The album broke into the top 20 in several other markets as well. It has sold about 120,000 copies in the United States as of December 2012. The album has received largely positive reviews from critics.
Document 2: This Is Thirteen: This Is Thirteen is the thirteenth studio album by Canadian heavy metal band Anvil. The original release of "This Is Thirteen" has 13 tracks to coincide with the album title. Some tracks are included in the movie "Anvil! The Story of Anvil", which devotes some time to the recording of the album, specifically the song "Game Over". In addition, "Burning Bridges" is heard in "Final Destination 4", but is not on the soundtrack to that film. This Is Thirteen sold over 1,400 copies in its first week of release in the U.S. and by 2009 it had sold over 7,300 copies in the U.S.
Document 3: Thirteen (Teenage Fanclub album): Thirteen is the fourth album by Scottish alternative rock band Teenage Fanclub, released in 1993. It was named after the song "Thirteen" by Big Star, a band that has heavily influenced Teenage Fanclub. The self-produced album was poorly received by critics on its release.
Document 4: 13 (Black Sabbath album): 13 is the nineteenth and final studio album by English rock band Black Sabbath. The album was released on 10 June 2013 in Europe and 11 June 2013 in North America, via Vertigo Records and Republic Records in the US, and via Vertigo Records worldwide. It is the only studio album released by Black Sabbath since "Forbidden" (1995), and was their first studio recording with original singer Ozzy Osbourne and bassist Geezer Butler since the live album "Reunion" (1998), which contained two new studio tracks. It was also the first studio album with Osbourne since "Never Say Die!" (1978), and with Butler since "Cross Purposes" (1994), the first since "Never Say Die!" not to feature longtime keyboardist Geoff Nicholls, and the first since "The Eternal Idol" (1987) on the Vertigo label (outside the US and Canada).
Document 5: David Hidalgo Jr.: David Hidalgo Jr. (born August 30, 1984) is an American drummer currently playing in Social Distortion. Hidalgo replaced former drummer Scott Reeder, who had been busy with his main project Fu Manchu. Prior to joining Social Distortion, he played drums in The Drips and Suicidal Tendencies. He also plays drums for The Bronx/Mariachi El Bronx and the hardcore punk band Bullet Treatment with a variety of lineups that also included members of Rise Against, The Bronx, Cancer Bats, Anti-Flag and others. David also toured with Brody Dalle in her Spinnerette and self-titled projects. He has recorded and toured with Chuck Ragan and Dave Hause. Most recently, Dave recorded on Greg Graffin's new solo record. He is the son of David Hidalgo, guitarist and singer of Los Lobos.
Document 6: David Vincent: David Justin Vincent (born April 22, 1965), also known as Evil D, is an American musician who is best known as the former lead vocalist and bassist for the death metal band Morbid Angel as well as the bassist for Genitorturers. His early influences are Kiss and Alice Cooper.
Document 7: Jason Newsted: Jason Curtis Newsted (born March 4, 1963) is an American metal musician, known for being the third recording bass guitarist with the band Metallica from October 1986 until his departure in January 2001, as well as being a part of Voivod and Flotsam and Jetsam. After leaving Metallica he continued with his project Echobrain, played with Ozzy Osbourne and joined heavy metal band Voivod. Newsted uses the pseudonym Jasonic, which serves as both his alias in Voivod and the name of his music publishing company. He is also the founder of the Chophouse Records studio and label based in California. From 2012 to 2014 he played in his self-titled band Newsted, for which he provided lead vocals as well as bass. Newsted lives in Alamo, California.
Document 8: Michael Anthony (musician): Michael Anthony Sobolewski (born June 20, 1954 and legally shortened his name to Michael Anthony in 1978), is an American musician who is currently the bass player in the rock supergroup Chickenfoot and the Circle. Anthony is best known as the former bass player for the hard rock band Van Halen.
Document 9: Dave Spitz: Dave "The Beast" Spitz (born February 22, 1958) is an American musician best known for having played bass guitar for the heavy metal group Black Sabbath from 1985 to 1987, appearing on the albums "Seventh Star" and being credited for (but not playing on) "The Eternal Idol". Dave also helped discover Ray Gillen, the vocalist who joined Black Sabbath mid-tour in 1986, following the sudden exit of Glenn Hughes.
Document 10: Rust in Peace: Rust in Peace is the fourth studio album by the American thrash metal band Megadeth, released on September 24, 1990 by Capitol Records. Following the departure of band members Jeff Young and Chuck Behler in 1989, "Rust in Peace" was the first album to feature guitarist Marty Friedman and drummer Nick Menza. "Rust in Peace" received universal acclaim from fans and critics, and was responsible for bringing Megadeth to the attention of a mainstream metal audience. It has been cited as one of the best thrash metal records of all time by publications such as "Decibel" and "Kerrang!", and listed as one of the "1001 Albums You Must Hear Before You Die". The album was nominated for a Grammy Award for Best Metal Performance at the 33rd Grammy Awards.
Document 11: Risk (Megadeth album): Risk is the eighth studio album by American thrash metal band Megadeth, released on August 31, 1999 by Capitol Records, the band's last album to be released by the label. The first Megadeth album since 1990 to feature a lineup change, "Risk" marks the studio debut of drummer Jimmy DeGrasso with the band, as well as the final appearance of longtime guitarist Marty Friedman, who announced his departure a year later. Meant to be a breakthrough on alternative rock radio, "Risk" received a mixed response because of the great deviation from the band's traditional sound. The backlash ultimately resulted with the band returning towards a heavier sound with its next album.
Document 12: David Ellefson: David Warren Ellefson (born November 12, 1964) is an American bassist and second-longest serving member of the American thrash metal band Megadeth from 1983 to 2002 and again from 2010. He has also been referred to as "Junior" to differentiate him from his bandmate Dave Mustaine, but does not go by this name professionally. Ellefson currently resides in Scottsdale, Arizona. In addition to playing bass guitar in Megadeth, Ellefson also has various side projects which include Temple of Brutality, F5, and Killing Machine.
Document 13: MD.45: MD.45 was a side project of Megadeth guitarist/frontman Dave Mustaine, Fear guitarist/vocalist Lee Ving on singing and harmonica duties, Electric Love Hogs and future Goldfinger bassist Kelly LeMieux and former Suicidal Tendencies member Jimmy DeGrasso (who later joined Megadeth for "Risk" and "The World Needs A Hero") on drums.
Document 14: The World Needs a Hero: The World Needs a Hero is the ninth studio album by American thrash metal band Megadeth, released in May 2001 by Sanctuary Records. After the critical and commercial failure of the previous album "Risk" (1999), "The World Needs a Hero" represented a change back to a heavier musical direction. Subsequently, the album charted at number 16 on the "Billboard" 200 upon release.
Document 15: Thirteenth Step: Thirteenth Step is the second studio album by American rock band A Perfect Circle, released on September 16, 2003. The album sold well, charting at the number 2 position on the "Billboard" 200 in its premiere week, selling over 231,000 copies and staying on the charts for 78 weeks. The album went on to be certified as gold on November 4, 2003 and as platinum on March 24, 2006 by the RIAA. Three singles were released from the album, "Weak and Powerless", which topped both the Mainstream Rock Tracks and Modern Rock Tracks, followed by "The Outsider" and "Blue", which also charted on the respective charts.
ground_truth: Scottsdale, Arizona