Question: Which composer is considered the founder of the Neapolitan school of opera: Gaetano Donizetti or Alessandro Scarlatti?

full_context: Document 1: Gaetano Fraschini: Gaetano Fraschini (16 February 1816 – 23 May 1887) was an Italian tenor. He created many roles in 19th century operas, including five composed by Giuseppe Verdi. His voice was "heroic ... with a baritonal quality, ... yet Verdi and Donizetti appreciated his ability to sing softly and with subtlety." An Italian biographer has pointed out Fraschini's role in extending the longevity of Donizetti's operas, while at the same time accelerating the ascent of Verdi's repertory. He was indeed the most prominent singer who facilitated the transition from Donizetti to Verdi. Fraschini sang over one hundred roles and Verdi placed him at the top of his favorite tenors' list and described him as a "natural Manrico" for his "Il trovatore". Fraschini also played a pivotal role in the success of many operas by Pacini and Mercadante.
Document 2: Gioachino Rossini: Gioachino Antonio Rossini (] ; 29 February 179213 November 1868) was an Italian composer who wrote 39 operas, as well as some sacred music, songs, chamber music and piano pieces.
Document 3: Gaetano Rossi: Gaetano Rossi (18 May 1774 – 25 January 1855) was an Italian opera librettist for several of the well-known "bel canto"-era composers including Gioachino Rossini, Gaetano Donizetti, and Saverio Mercadante in Italy and Giacomo Meyerbeer in one of his early Italian successes. Other composers with whom he worked included Simon Mayr, a composer and Donizetti's teacher, as well as the prolific Giovanni Pacini.
Document 4: Vincenzo Bellini: Vincenzo Salvatore Carmelo Francesco Bellini (] ; 3 November 1801 – 23 September 1835) was an Italian opera composer, who was known for his long-flowing melodic lines for which he was named "the Swan of Catania".
Document 5: Giacomo Puccini: Giacomo Antonio Domenico Michele Secondo Maria Puccini (] ; 22 December 1858 29 November 1924) was an Italian opera composer who has been called "the greatest composer of Italian opera after Verdi".
Document 6: Domenico Scarlatti: Giuseppe Domenico Scarlatti (Naples, 26 October 1685 Madrid, 23 July 1757) was an Italian composer who spent much of his life in the service of the Portuguese and Spanish royal families. He is classified primarily as a Baroque composer chronologically, although his music was influential in the development of the Classical style and he was one of the few Baroque composers to transition into the classical period. Like his renowned father Alessandro Scarlatti, he composed in a variety of musical forms, although today he is known mainly for his 555 keyboard sonatas.
Document 7: Alessandro Melani: Alessandro Melani (4 February 1639 – 3 October 1703) was an Italian composer and the brother of composer Jacopo Melani, and castrato singer Atto Melani. Along with Bernardo Pasquini and Alessandro Scarlatti, he was one of the leading composers active in Rome during the 17th century. He is also ranked among the second school of Roman opera composers which began with his brother's 1668 opera "Il Girello". He is chiefly remembered today for his large output of liturgical music that he wrote while serving in various musical posts in Rome. Of particular interest is the large number of polychoral motets that he produced and his eight ascribed oratorios. Three published collections of his liturgical music survive today along with numerous solitary motets from other published volumes. A number of original manuscripts also survive.
Document 8: Marino Faliero (opera): Rossini had influenced the management of the Théâtre-Italien to commission works by the outstanding Italian composers of the day—Donizetti and Vincenzo Bellini. Both wrote operas for that house in Paris, Bellini's contribution being the hugely-successful "I puritani". Donizetti's opera, which premiered on 12 March 1835 (a few months after "I puritani") was not nearly as much of a success. However, it marked Donizetti's first opera to have its premiere in Paris.
Document 9: Neapolitan School: In music history, the Neapolitan School is a group, associated with opera, of 18th-century composers who studied or worked in Naples, Italy, the best known of whom is Alessandro Scarlatti, with whom "modern opera begins".
Document 10: Il Pompeo: Il Pompeo is a dramma per musica in three acts by composer Alessandro Scarlatti. Written in 1682 when Scarlatti was 22 years old, it was his fourth opera and first dramatic work on a serious and grand subject. The opera uses an Italian language libretto by Nicolò Minato which had previously been used by Francesco Cavalli for his 1666 opera "Pompeo Magno". The work premiered at the Teatro di Palazzo Colonna in Rome on 25 January 1683.
Document 11: Francesco Scarlatti: Francesco Scarlatti (5 December 1666 – c. 1741) was an Italian Baroque composer and musician and the younger brother of the better known Alessandro Scarlatti.
Document 12: Cristoforo Caresana: Cristofaro or Cristoforo Caresana (ca. 1640–1709) was an Italian Baroque composer, organist and tenor. He was an early representative of the Neapolitan operatic school.
Document 13: Alessandro Scarlatti: Pietro Alessandro Gaspare Scarlatti (2 May 1660 – 22 October 1725) was an Italian Baroque composer, especially famous for his operas and chamber cantatas. He is considered the founder of the Neapolitan school of opera. He was the father of two other composers, Domenico Scarlatti and Pietro Filippo Scarlatti.
Document 14: Gaetano Donizetti: Domenico Gaetano Maria Donizetti (] ; 29 November 1797 – 8 April 1848) was an Italian composer. Along with Gioachino Rossini and Vincenzo Bellini, Donizetti was a leading composer of the "bel canto" opera style during the first half of the nineteenth century. Donizetti's close association with the bel canto style was undoubtedly an influence on other composers such as Giuseppe Verdi (1813–1901).
Document 15: Giuseppe Verdi: Giuseppe Fortunino Francesco Verdi (] ; 9 or 10 October 1813 – 27 January 1901) was an Italian opera composer.
ground_truth: Pietro Alessandro Gaspare Scarlatti