Question: Maria Mercedes had a prole in the Australian production of the musical created by whom?
Context: The 2007 Australian Production Car Championship was a CAMS sanctioned Australiann motor racing title open to Group 3E Series Production Cars.  The championship, which was administered by the Production Car Association of Australia, was promoted as the Shannons Australian Production Car Championship.  It was the 14th Australian Production Car Championship. The 2009 Australian Production Car Championship was a CAMS sanctioned motor racing title for drivers of Group 3E Series Production Cars. <ref name="B09/033">CAMS Bulletin B09/033 – 2009 Australian Manufacturers Championship & Australian Production Car Championship Sporting Regulations As archived at www.webcitation.org on 3 December 2009</ref> It was the 16th Australian Production Car Championship title to be awarded by CAMS.  As well as claiming the Class A2 title, Garry Holt won the overall championship in his BMW 335i.  Holt held off Class A1 champion Rod Salmon by just two points in the overall standings.  Other class champions were Jake Camilleri in his Mazda 3 MPS (Class B) and Stuart Jones' Toyota Celica (Class C). Nine is a musical, initially created and written by Maury Yeston as a class-project in Lehman Engel's BMI Music Theatre Workshop in 1973.  It was later developed with a book by Mario Fratti, and then again with a book by Arthur Kopit, music and lyrics by Maury Yeston.  The story is based also on Federico Fellini's semi-autobiographical film "8½".  It focuses on film director Guido Contini, who is dreading his imminent 40th birthday and facing a midlife crisis, which is blocking his creative impulses and entangling him in a web of romantic difficulties in early-1960s Venice. Maria Mercedes is a Greek-Australian television, film and stage actress.  Her notable roles include the original Australian productions of the musicals "Nine", "Sunset Boulevard" and "Love Never Dies". Blessed Mercedes de Jesús Molina (Maria Mercedes de Jesus Molina y Ayala; 24 September 1828 - 12 June 1883) is a Roman Catholic blessed from Baba, Ecuador.  She was a missionary who devoted her life to the care of abandoned children and founded the order of the Sisters of Mariana de Jesús.  She was beatified by Pope John Paul II on 1 February 1985. Maria Mercedes Reinares y Arrastia-Tuason also known as Mercedes Tuason (born September 27, 1930) in Lubao, Pampanga, is a Philippine diplomat and ambassador to the Holy See.  An alumnus of Saint Scholastica's Catholic college in Manila, Tuason has served in the field of nutritional sciences and was appointed plenipotentiary to the Holy See in 2009. Jessica Mendiola Tawile (born 3 December 1992), popularly known as Jessy Mendiola, is a Filipino actress.  She played the role of Maria Mercedes Alegre in the 2013 remake of the 1992 Mexican telenovela "Maria Mercedes". The 2013 Australian Manufacturers' Championship was an Australian motor racing series for modified production touring cars.  It comprised two CAMS sanctioned national championship titles, the Australian Manufacturers’ Championship (for automobile manufacturers) and the Australian Production Car Championship (for drivers).  The 2013 Australian Manufacturers' Championship was the 28th manufacturers title to be awarded by CAMS and the 19th to be contested under the Australian Manufacturers' Championship name.  The 2013 Australian Production Car Championship was the 20th Australian Production Car Championship.  The Manufacturers title was awarded to Mitsubishi and the Australian Production Car Championship to Garry Holt. The 2016 Australian Production Car Series was an Australian motor racing series for modified production touring cars.  It was the first Australian Production Car Series to be contested following the cancellation of the Australian Production Car Championship at the end of 2015. PROCAR had first promoted a national series for production based cars in 1994.  This “Australian Super Production Car Series” accommodated numerous models (including high performance GT type cars) which were not eligible for the official Australian Production Car Championship, which at the time had tightened regulations in the interests of cost-control and was limited to vehicles with an engine capacity of less than 2.5 litres.  The PROCAR series was renamed the “Australian GT Production Car Series” for 1995.  For 1996 the series was given full CAMS national title status to become the Australian GT Production Car Championship while the Australian Production Car Championship itself was discontinued after the 1995 title.
Answer: Maury Yeston