Question: Navarone Garibaldi is the half-brother of a singer who has been married how many times?

full_context: Document 1: Anthony Green (musician): Anthony Green (born April 15, 1982) is an American musician from Doylestown, Pennsylvania. He is currently the lead singer of Circa Survive and Saosin, while also maintaining a solo career. He was previously in the bands The Sound of Animals Fighting, Audience of One, Jeer at Rome, High and Driving, and Zolof the Rock and Roll Destroyer. Green is known for his high tenor vocal range.
Document 2: Today (Elvis Presley album): Today is a studio album by American singer Elvis Presley, released on May 7, 1975 by RCA Records. The "Today" sessions were held in RCA's Studio C, Hollywood, Los Angeles, California, March 10–12, 1975, and marked the last time Presley would record in a studio. He last recorded at Studio C, Hollywood in 1972 where he recorded the gold records "Burning Love" and "Separate Ways". At this time, Elvis was 40 years old. He was accompanied by his then-current girlfriend, Sheila Ryan. In the 2005 FTD TODAY release from these sessions, Presley asked her to "step up here Sheila, let me sing to ya baby" on Take 1 of Don McLean's "And I Love You So". He continued to make "And I Love You So" and "Fairytale" a part of his live concerts until his death. On stage, he often referred to "Fairytale" as the story of his life.
Document 3: Marco Garibaldi: Marco Garibaldi is an American entrepreneur. He is also the former partner of Priscilla Presley and father of Navarone Garibaldi.
Document 4: Navarone Garibaldi: Navarone Anthony Garibaldi (born March 1, 1987) is an American musician. He is the frontman of the band Them Guns. Garibaldi is the son of Marco Garibaldi and Priscilla Presley, and also half-brother of Lisa Marie Presley.
Document 5: Presley Charitable Foundation: The Presley Charitable Foundation is a non-profit philanthropic organization created by Lisa Marie Presley in August 2007. The first endeavor of The Presley Charitable Foundation will be Presley Place-New Orleans; a transitional housing facility for homeless families. The foundation provides rent-free housing, child day care, career and financial counseling, family management guidance and other tools which help people learn how no longer be homeless again. Through this process they gain self-esteem and independence.
Document 6: Elvis Presley: Elvis Aaron Presley (January 8, 1935 – August 16, 1977) was an American singer, dancer and actor. Regarded as one of the most significant cultural icons of the 20th century, he is often referred to as the "King of Rock and Roll" or simply "the King".
Document 7: Jessi Colter discography: The discography of American country artist Jessi Colter consists of eleven studio albums, three compilation albums, twenty six singles, fourteen other appearances, and one other charted song. After marrying guitarist Duane Eddy in 1961, Colter recorded two singles and toured with Eddy until divorcing in 1968. The following year, she met country artist Waylon Jennings who helped her secure a recording contract with RCA Victor. Her debut studio album entitled "A Country Star Is Born" was released in 1970. The pair would collaborate on a cover of Elvis Presley's "Suspicious Minds during this time. Colter signed with Capitol Records in 1975 and released her debut single off the label "I'm Not Lisa". The song became her commercial breakthrough, reaching the number one position on the "Billboard" Hot Country Singles chart and crossing over to the Billboard Hot 100 where it reached the top five. That same year, Colter's second studio album "I'm Jessi Colter" was issued, which also produce the Top five country hit, "What's Happened to Blue Eyes." In 1976, Colter released two more studio albums: "Jessi" and "Diamond in the Rough."
Document 8: Tony M.: Anthony Mosley, known as Tony M., is a rapper best known as a member of Prince's band, The New Power Generation. Mosley began his association with Prince as an extra in the film "Purple Rain". He can be seen dancing with Kirk Johnson and Damon Dickson during various performances at the First Avenue club. The trio continued to associate with Prince over the years, dancing as a group in the music videos for "Glam Slam" and with the band Madhouse. Around the time of the "Graffiti Bridge", Prince recruited the trio as a dance group called the "Gameboyz" for the film and his touring band.
Document 9: Athan Maroulis: Athanasios Demetrios Maroulis (born September 22, 1964) is an actor, vocalist and record producer born in Brooklyn, New York. He is the older brother of singer Constantine Maroulis and also has a sister, Anastasia.
Document 10: Now What (Lisa Marie Presley album): Now What is the second studio album from American singer-songwriter Lisa Marie Presley. It was released on April 5, 2005 in the United States and Canada, and was the last album for Capitol Records. The album is available in both unedited and edited versions. Singles from the album are "Dirty Laundry" and "Idiot". This is Lisa Marie Presley's first album to be issued with a parental advisory warning. Her debut album did not include a Parental Advisory warning in all territories. Like most albums that contain a parental advisory warning, a clean version of the album was also made available.
Document 11: Jessi Colter: Mirriam Johnson, known professionally as Jessi Colter (born May 25, 1943), is an American country music artist who is best known for her collaboration with her husband, country singer and songwriter Waylon Jennings, and for her 1975 country-pop crossover hit "I'm Not Lisa".
Document 12: Gil Sharone: Gil Sharone is an American drummer and member of the band Stolen Babies, Marilyn Manson, Team Sleep, and formerly The Dillinger Escape Plan. He was also a fill in for punk rock band +44. His twin brother is Rani Sharone, also of Stolen Babies. He is highly regarded as one of the most versatile touring/session drummers in the world.
Document 13: Priscilla Presley: Priscilla Ann Presley (née Wagner; born May 24, 1945) is an American actress and business magnate. She is the former wife of the late American singer Elvis Presley as well as co-founder and former chairwoman of Elvis Presley Enterprises (EPE), the company that turned Graceland into one of the top tourist attractions in the United States. In her acting career, Presley starred with Leslie Nielsen in the three successful "Naked Gun" films, and played the role of Jenna Wade on the long-running television series "Dallas".
Document 14: Lisa Marie Presley: Lisa Marie Presley (born February 1, 1968) is an American singer-songwriter. She is the daughter of singer and actor Elvis Presley and actress and business magnate Priscilla Presley. Sole heir to her father's estate, she has developed a career in the music business and has issued three albums. Presley has been married four times, including to singer Michael Jackson and actor Nicolas Cage, before marrying music producer Michael Lockwood, father of her twin girls.
Document 15: Dave Navarro: David Michael Navarro (born June 7, 1967) is an American guitarist, singer, songwriter, and actor.
ground_truth: four