Question: Who is the chief of police of the city Son of Sam's performer died?

full_context: Document 1: Surgery (album): According to the liner notes, the album is dedicated to the memory of fellow Los Angeles-based musician Elliott Smith and to Bomp! Records founder Greg Shaw.
Document 2: Los Angeles Police Department: The Los Angeles Police Department (LAPD), officially the City of Los Angeles Police Department, is the police department of Los Angeles. With 9,843 officers and 2,773 civilian staff, it is the third - largest municipal police department in the United States, after the Chicago Police Department and the New York City Police Department. The department serves an area of 498 square miles (1,290 km) and a population of 4,030,904 people.
Document 3: Charleston, South Carolina: The City of Charleston Police Department, with a total of 452 sworn officers, 137 civilians, and 27 reserve police officers, is South Carolina's largest police department. Their procedures on cracking down on drug use and gang violence in the city are used as models to other cities to do the same.[citation needed] According to the final 2005 FBI Crime Reports, Charleston crime level is worse than the national average in almost every major category. Greg Mullen, the former Deputy Chief of the Virginia Beach, Virginia Police Department, serves as the current Chief of the Charleston Police Department. The former Charleston police chief was Reuben Greenberg, who resigned August 12, 2005. Greenberg was credited with creating a polite police force that kept police brutality well in check, even as it developed a visible presence in community policing and a significant reduction in crime rates.
Document 4: A Compilation of Scott Weiland Cover Songs: A Compilation of Scott Weiland Cover Songs is a compilation album by Stone Temple Pilots frontman Scott Weiland, released on August 30, 2011. The album consists entirely of cover songs, featuring an array of covers of artists that inspired Weiland, such as David Bowie, The Beatles, The Rolling Stones, and The Smiths. The album was originally set to be released together with Weiland's memoir "Not Dead & Not for Sale" but Weiland decided later to release the album by itself exclusively in digital format.
Document 5: New York City Police Department: In June 2004, there were about 40,000 sworn officers plus several thousand civilian employees; in June 2005, the number of officers dropped to 35,000. As of December 2011, that figure increased slightly to over 36,600, helped by the graduation of a class of 1,500 from the New York City Police Academy. The NYPD's current authorized uniformed strength is 34,450. There are also approximately 4,500 Auxiliary Police Officers, 5,000 School Safety Agents, 2,300 Traffic Enforcement Agents, and 370 Traffic Enforcement Supervisors currently employed by the department. The Patrolmen's Benevolent Association of the City of New York (NYC PBA), the largest municipal police union in the United States, represents over 50,000 active and retired NYC police officers.
Document 6: Figure 8 (album): Figure 8 is the fifth studio album by American singer-songwriter Elliott Smith, and the final album he completed before his death. It was recorded from 1998 to 2000 at numerous studios and released on April 18, 2000 through DreamWorks Records. Preceded by the singles "Happiness" and "Son of Sam", "Figure 8" was Smith's second release on a major label.
Document 7: This Will Be the Death of Us: The album was produced by Mike Green (Paramore, The Matches) and is their debut on Epitaph Records after their manager reportedly paid their previous label, Eulogy Recordings, to buy out their contract. Recording was completed in late March. The album features various guest vocals including Vinnie Caruana of I Am the Avalanche and The Movielife on opener and title track, "This Will Be the Death of Us". Hayley Williams of Paramore also features on "The Few That Remain", whilst ex-vocalist of Turmoil Jon Gula is featured on "Gaia Bleeds (Make Way For Man)". The album is closed with the 90s skate punk influenced "Our Ethos: A Legacy to Pass On", featuring vocals from New Found Glory’s Chad Gilbert. Jordan Pundik, also of New Found Glory provides vocals on the Japanese bonus track "The Lost Boys".
Document 8: Son of Sam (song): "Son of Sam" is a song by American singer-songwriter Elliott Smith. It was released on April 11, 2000 by record label DreamWorks as the second and final single from his fifth studio album, "Figure 8".
Document 9: Samsons: Samsons is a pop-rock band formed in Jakarta, Indonesia in 2003. The group comprises Ariadinata (vocals), Irfan Aulia (guitar), Erik Partogi Siagian (guitar), Aldri Dataviadi (bass) and Chandra 'Konde' Christanto (drums).
Document 10: Strange Parallel: Strange Parallel is a documentary short film revolving around the American singer-songwriter Elliott Smith. The film was directed by Steve Hanft and released on October 15, 1998, and features interviews with Elliott himself as well as fans, friends and other acquaintances of his.
Document 11: Heaven Adores You: Heaven Adores You is a 2014 documentary about the life and music of indie rock singer-songwriter Elliott Smith (1969-2003). It premiered at the San Francisco International Film Festival on May 5, 2014.
Document 12: Needle in the Hay: "Needle in the Hay" is a song by American singer-songwriter Elliott Smith. It was released on January 1, 1995 by record label Kill Rock Stars as the sole single from his second studio album, "Elliott Smith".
Document 13: Happiness (Elliott Smith song): "Happiness" is a song by American singer-songwriter Elliott Smith. It was released on February 8, 2000 by record label DreamWorks as the first single from his fifth studio album, "Figure 8". It was also released on 7-inch vinyl by Cavity Search.
Document 14: Mayor of Los Angeles: The Mayor of the City of Los Angeles is the official head and chief executive officer of Los Angeles, California. The mayor is elected for a four - year term and limited to serving no more than two terms. Under the California Constitution, all judicial, school, county, and city offices, including those of chartered cities, are nonpartisan. The 42nd and current Mayor is Eric Garcetti.
Document 15: Chief of the Los Angeles Police Department: Chief of the City of Los Angeles Police Department Seal of the LAPD Flag of the Chief of the LAPD Incumbent Charles L. Beck since November 9, 2009 (2009 - 11 - 09) Los Angeles Police Department Style Chief of Police Member of Los Angeles City Council Seat Los Angeles County, California, U.S. Appointer Mayor of Los Angeles Inaugural holder Jacob F. Gerkens Formation December 18, 1876 Salary $307,291 Website (1)
ground_truth: Charles L. Beck
sub_queries: Son of Sam >> performer Answer: Elliott Smith
Elliott Smith >> place of death Answer: Los Angeles
who is the chief of police of Los Angeles Answer: Charles L. Beck