Question: How many theater companies does the city where Brother's performers were formed have in residence?

full_context: Document 1: Vs. (Pearl Jam album): Pearl Jam decided to scale back its promotional efforts for "Vs.", including declining to produce music videos for any of the album's singles. Upon its release, "Vs." set the record for most copies of an album sold in its first week, a record it held for five years. "Vs." occupied the number one spot on the "Billboard" 200 chart for five weeks, the longest duration for a Pearl Jam album. The album has been certified seven times platinum by the RIAA in the United States.
Document 2: Seattle: The 5th Avenue Theatre, built in 1926, stages Broadway-style musical shows featuring both local talent and international stars. Seattle has "around 100" theatrical production companies and over two dozen live theatre venues, many of them associated with fringe theatre; Seattle is probably second only to New York for number of equity theaters (28 Seattle theater companies have some sort of Actors' Equity contract). In addition, the 900-seat Romanesque Revival Town Hall on First Hill hosts numerous cultural events, especially lectures and recitals.
Document 3: Linkin Park: Linkin Park is an American rock band from Agoura Hills, California. The band's current lineup comprises vocalist/rhythm guitarist Mike Shinoda, lead guitarist Brad Delson, bassist Dave Farrell, DJ/keyboardist Joe Hahn, and drummer Rob Bourdon, all of whom are founding members. Vocalists Mark Wakefield and Chester Bennington and bassist Kyle Christner are former members of the band.
Document 4: Metallica: Metallica is an American heavy metal band. The band was formed in 1981 in Los Angeles, California, by drummer Lars Ulrich and vocalist/guitarist James Hetfield, and has been based in San Francisco, California for most of its career. The group's fast tempos, instrumentals and aggressive musicianship made them one of the founding "big four" bands of thrash metal, alongside Megadeth, Anthrax and Slayer. Metallica's current lineup comprises founding members Hetfield and Ulrich, longtime lead guitarist Kirk Hammett and bassist Robert Trujillo. Guitarist Dave Mustaine (who went on to form Megadeth) and bassists Ron McGovney, Cliff Burton and Jason Newsted are former members of the band.
Document 5: Loaded discography: Loaded (also known as Duff McKagan's Loaded) is an American hard rock band from Seattle, Washington, formed in 1999. Since 2001, the band's line-up has included vocalist and rhythm guitarist Duff McKagan (Velvet Revolver and formerly of Guns N' Roses), lead guitarist Mike Squires (formerly of Nevada Bachelors and Alien Crime Syndicate) and bassist Jeff Rouse (formerly of Alien Crime Syndicate, Sirens Sister and Vendetta Red). Since 2009, Isaac Carpenter (formerly of Loudermilk, Gosling and The Exies) has been the band's drummer replacing Geoff Reading (formerly of New American Shame and Green Apple Quick Step). The band has released 3 studio albums, 1 live album, 1 extended play, 4 singles and 4 music videos.
Document 6: 11/6/00 – Seattle, Washington: 11/6/00 – Seattle, Washington is a three-disc live album and the seventy-second and final in a long series of live bootlegs that the American alternative rock band Pearl Jam released from the band's 2000 Binaural Tour. It was released along with the other official bootlegs from the second North American leg of the tour on March 27, 2001.
Document 7: In Hiding: "In Hiding" is a song by the American rock band Pearl Jam. Featuring lyrics written by vocalist Eddie Vedder and music written by guitarist Stone Gossard, "In Hiding" is the eleventh track on the band's fifth studio album, "Yield" (1998). Despite the lack of a commercial single release, the song managed to reach number 13 on the "Billboard" Modern Rock Tracks chart and number 14 on their Mainstream Rock Tracks chart.
Document 8: Seattle: Seattle has been a regional center for the performing arts for many years. The century-old Seattle Symphony Orchestra is among the world's most recorded and performs primarily at Benaroya Hall. The Seattle Opera and Pacific Northwest Ballet, which perform at McCaw Hall (opened 2003 on the site of the former Seattle Opera House at Seattle Center), are comparably distinguished, with the Opera being particularly known for its performances of the works of Richard Wagner and the PNB School (founded in 1974) ranking as one of the top three ballet training institutions in the United States. The Seattle Youth Symphony Orchestras (SYSO) is the largest symphonic youth organization in the United States. The city also boasts lauded summer and winter chamber music festivals organized by the Seattle Chamber Music Society.
Document 9: Mexico City: Other popular sites for pop-artist performances include the 3,000-seat Teatro Metropolitan, the 15,000-seat Palacio de los Deportes, and the larger 50,000-seat Foro Sol Stadium, where popular international artists perform on a regular basis. The Cirque du Soleil has held several seasons at the Carpa Santa Fe, in the Santa Fe district in the western part of the city. There are numerous venues for smaller musical ensembles and solo performers. These include the Hard Rock Live, Bataclán, Foro Scotiabank, Lunario, Circo Volador and Voilá Acoustique. Recent additions include the 20,000-seat Arena Ciudad de México, the 3,000-seat Pepsi Center World Trade Center, and the 2,500-seat Auditorio Blackberry.
Document 10: Brother (Pearl Jam song): "Brother" is a song by the American rock band Pearl Jam. Featuring lyrics written by vocalist Eddie Vedder and music written by guitarist Stone Gossard, "Brother" was an outtake from the band's debut album, "Ten". The song was included as an instrumental version on the 2003 B-sides and rarities album, "Lost Dogs". The version of "Brother" with vocals appears on the 2009 "Ten" reissue. The version of the song with vocals was released to radio in 2009, however a commercial single was not released. The song topped the "Billboard" Modern Rock Tracks chart, where it spent a total of two weeks at number one.
Document 11: Thumbing My Way: "Thumbing My Way" is a song by the American rock band Pearl Jam. Written by vocalist Eddie Vedder, "Thumbing My Way" is the seventh track on the band's seventh studio album, "Riot Act" (2002).
Document 12: Be a Brother: Be a Brother is the third album by Big Brother and the Holding Company, released in 1970. It was their first album after Janis Joplin's departure. Recruited in her place were guitarist David Shallock and singer-songwriters Nick Gravenites and Kathi McDonald.
Document 13: Pearl Jam: Pearl Jam is an American rock band formed in 1990 in Seattle, Washington. The band's current lineup comprises founding members Eddie Vedder (lead vocals), Mike McCready (lead guitar), Stone Gossard (rhythm guitar) and Jeff Ament (bass), and longtime drummer Matt Cameron. Keyboardist Boom Gaspar has also been a session/touring member with the band since 2002. Drummers Jack Irons, Dave Krusen, Matt Chamberlain and Dave Abbruzzese are former members of the band.
Document 14: Houston: The Houston Theater District, located downtown, is home to nine major performing arts organizations and six performance halls. It is the second-largest concentration of theater seats in a downtown area in the United States. Houston is one of few United States cities with permanent, professional, resident companies in all major performing arts disciplines: opera (Houston Grand Opera), ballet (Houston Ballet), music (Houston Symphony Orchestra), and theater (The Alley Theatre). Houston is also home to folk artists, art groups and various small progressive arts organizations. Houston attracts many touring Broadway acts, concerts, shows, and exhibitions for a variety of interests. Facilities in the Theater District include the Jones Hall—home of the Houston Symphony Orchestra and Society for the Performing Arts—and the Hobby Center for the Performing Arts.
Document 15: Broadway theatre: Broadway theatre, commonly known as Broadway, refers to the theatrical performances presented in the 41 professional theatres with 500 or more seats located in the Theater District and Lincoln Center along Broadway, in Midtown Manhattan, New York City. Along with London's West End theatre, Broadway theatre is widely considered to represent the highest level of commercial theatre in the English - speaking world.
ground_truth: around 100
sub_queries: Brother >> performer Answer: Pearl Jam
What city was Pearl Jam formed in? Answer: Seattle
How many theater companies does Seattle have in residence? Answer: around 100