Question: What is the name of the conductor with whom Philip Powers has worked, whom has also received five Grammy awards?

Context paragraphs:
Lalo Schifrin: Boris Claudio "Lalo" Schifrin (born June 21, 1932) is an Argentine pianist, composer, arranger and conductor.  He is best known for his large body of film and TV scores since the 1950s, including the "" and "Enter the Dragon".  He has received five Grammy Awards and six Oscar nominations.  Associated with the jazz music genre, Schifrin is also noted for his collaborations with Clint Eastwood from the late 1960s to the 1980s, particularly the "Dirty Harry" films.

Juice Newton: Judy Kay "Juice" Newton (born February 18, 1952) is an American pop and country singer, songwriter, and musician.  To date, Newton has received five Grammy Award nominations in the Pop and Country Best Female Vocalist categories (winning once in 1983), as well as an ACM Award for Top New Female Artist and two "Billboard" Female Album Artist of the Year awards (won consecutively).  Newton's other awards include a People's Choice Award for "Best Female Vocalist" and the Australian Music Media's "Number One International Country Artist."

Vladimir Ashkenazy: Vladimir Davidovich Ashkenazy (Russian: Влади́мир Дави́дович Ашкена́зи , "Vladimir Davidovich Ashkenazi"; born 6 July 1937) is an internationally recognized solo pianist, chamber music performer, and conductor.  He is originally from Russia and has held Icelandic citizenship since 1972.  He has lived in Switzerland since 1978.  Ashkenazy has collaborated with well-known orchestras and soloists.  In addition, he has recorded a large storehouse of classical and romantic works.  His recordings have earned him five Grammy awards plus Iceland's Order of the Falcon.

Alicia Keys: Alicia Augello Cook (born January 25, 1981), known professionally as Alicia Keys, is an American singer, songwriter, record producer, pianist and actress.  Keys released her debut album with J Records, having had previous record deals first with Columbia and then Arista Records.  Keys' debut album, "Songs in A Minor" was released in 2001, producing her first "Billboard" Hot 100 number-one single "Fallin'", and selling over 12 million copies worldwide.  The album earned Keys five Grammy Awards in 2002.  Her sophomore album, "The Diary of Alicia Keys", was released in 2003, spawning successful singles "You Don't Know My Name", "If I Ain't Got You" and "Diary", and selling 8 million copies worldwide.  The duet song "My Boo" with Usher scored her a second number-one single in 2004.  The album garnered her an additional four Grammy Awards in 2005.  Later that year, she released her first live album, "Unplugged", becoming the first woman to have an "MTV Unplugged" album debut at number one.

Chucho Valdés: Jesús Valdés Rodríguez, better known as Chucho Valdés (born October 9, 1941), is a Cuban pianist, bandleader, composer and arranger whose career spans over 50 years.  An original member of the Orquesta Cubana de Música Moderna, in 1973 he founded the group Irakere, one of Cuba's best-known Latin jazz bands.  Both his father, Bebo Valdés, and his son, Chuchito, are pianists as well.  He has won five Grammy Awards and three Latin Grammy Awards.

Slayer: Slayer is an American heavy metal band from Huntington Park, California, formed in 1981 by guitarists Kerry King and Jeff Hanneman.  Slayer rose to fame with its 1986 release "Reign in Blood", and is credited as one of the "Big Four" thrash metal bands, along with Metallica, Megadeth and Anthrax.  Since its debut album in 1983, the band has released twelve studio albums, two live albums, a box set, six music videos, two extended plays and a cover album.  Four of the band's studio albums have received gold certification in the United States.  The band has received five Grammy Award nominations, winning one in 2007 for the song "Eyes of the Insane" and one in 2008 for the song "Final Six" (both from 2006's "Christ Illusion").

Philip Powers: Philip Powers (born 1963) is a record producer.  His recordings have been nominated for four ARIA Awards.  He has produced 34 CDs for the 1M1 Records label including "The Lighthorsemen" and and he has also produced or been executive producer of more than fifty CDs for the Sydney Symphony Orchestra on the Sydney Symphony Live label.  A number of these have been with conductor, Vladimir Ashkenazy as well as two CDs with conductor Gianluigi Gelmetti.  Another CD featured Vladimir Ashkenazy as pianist playing rare Rachmaninov works.  He was also Supervising Producer of Sir Charles Mackerras, a double CD featuring famous Czech repertoire and Richard Strauss's "Also sprach Zarathustra" conducted by Sir Charles Mackerras.

Luis Miguel discography: Luis Miguel is a Mexican pop singer.  He is best known for his smooth, crooning vocals and romantic ballads.  Luis Miguel has been one of the most popular singers in Latin America since the early 1980s, and is commonly referred to as "El Sol de México" ("The Sun of Mexico").  Luis Miguel has won four Latin Grammy Awards and five Grammy Awards, and received a Star on the Hollywood Walk of Fame at the age of 26.

Joan Sebastian: José Manuel Figueroa Figueroa (April 8, 1951 – July 13, 2015), better known as Joan Sebastian (] ), was a Mexican singer-songwriter.  He wrote more than 1,000 songs including compositions for Vicente Fernández, Lucero, Pepe Aguilar, and Rocío Dúrcal.  His music is a mixture of Latin pop, ranchera and grupera music.  Sebastian was awarded seven Latin Grammy Awards and five Grammy Awards, making him the most awarded Mexican performer in Grammy history.

47th Annual Grammy Awards: The 47th Annual Grammy Awards were held on February 13, 2005 at the Staples Center in Los Angeles.  They were hosted by Queen Latifah, and televised in the United States by CBS.  They recognized accomplishments by musicians from the previous year.  Ray Charles, whom the event was dedicated in memory of, posthumously won five Grammy Awards while his album, "Genius Loves Company", won a total of eight.  Usher received eight nominations and won three including Best Contemporary R&B Album for his diamond selling album "Confessions".  Britney Spears received her first Grammy of Best Dance Recording for her 2004 smash hit "Toxic".

Supporting paragraphs: Philip Powers Vladimir Ashkenazy
Answer: Vladimir Ashkenazy