Question: In what year was the sculpture completed that the Galleria dell'Accademia di Firenze is best known as the home for?

Context paragraphs:
Florian Vika: Florian Vika is an Albanian contemporary painter and visual artist from Tirana.  He was graduated in the Academy of Fine Arts, Florence, Italy in 2004.  His art conception is based in the reconstruction of the new values lost from ancient art which remains in every time and sharing those with post modern ones created from Picasso.  This way of creating by Florian was appreciated from the Italian professors of Accademia di Belle Arti di Firenze.

Galleria dell'Accademia: The Galleria dell'Accademia di Firenze, or "Gallery of the Academy of Florence", is an art museum in Florence, Italy.  It is best known as the home of Michelangelo's sculpture "David".  It also has other sculptures by Michelangelo and a large collection of paintings by Florentine artists, mostly from the period 1300-1600, the Trecento to the Late Renaissance.  It is smaller and more specialized than the Uffizi, the main art museum in Florence.  It adjoins the Accademia di Belle Arti or academy of fine arts of Florence, but despite the name has no other connection with it.

Brera Academy: The Accademia di Belle Arti di Brera ("academy of fine arts of Brera"), also known as the "Accademia di Brera " or Brera Academy, is a state-run tertiary public academy of fine arts in Milan, Italy.  It shares its history, and in early 2017 still its main building, with the Pinacoteca di Brera, Milan's main public museum for art.  In 2010 an agreement was signed to move the accademia to a former military barracks, the Caserma Magenta in via Mascheroni, but the move had not happened by early 2017.

Accademia di Belle Arti di Perugia: The Accademia di Belle Arti di Perugia ("Academy of Fine Arts of Perugia") is a private tertiary academy of art in Perugia, in Umbria in central Italy.  It is not one of the 20 official Italian state academies of fine art, but is legally recognised by the Ministero dell'Istruzione, dell'Università e della Ricerca, the Italian ministry of education and research, which gives its full name as Accademia di Belle Arti Legalmente Riconosciuta di Perugia "Pietro Vannucci".  The academy became an autonomous degree-awarding institution under law no. 508 dated 21 December 1999.

Gallerie dell'Accademia: The Gallerie dell'Accademia is a museum gallery of pre-19th-century art in Venice, northern Italy.  It is housed in the Scuola della Carità on the south bank of the Grand Canal, within the sestiere of Dorsoduro.  It was originally the gallery of the Accademia di Belle Arti di Venezia, the art academy of Venice, from which it became independent in 1879, and for which the Ponte dell'Accademia and the Accademia boat landing station for the "vaporetto" water bus are named.  The two institutions remained in the same building until 2004, when the art school moved to the Ospedale degli Incurabili.

Mary de Piro: Mary de Piro is an Maltese artist (born in Valletta, 1946).  She studied art at a young age while at boarding school at Badia a Ripoli in Florence and later at the Accademia di Belle Arti di Firenze.  Her first exhibition was held in Wisconsin, in the course of a stay in the United States.  Her first solo exhibition in Malta brought her critical acclaim owing to the confidence of her brushwork and choice of large format canvases.  This led to commissions from corporate patrons, through curator Richard England.  In 1975 she moved to the UK, where she raised a family while continuing to paint, moving into the field of portraiture and sacred art.  Over the years she mainly participated in collective exhibitions in the England, Malta, and Italy.  Mary de Piro is best known for her landscape paintings, particularly those which evoke the Mediterranean light of the Maltese countryside.

Accademia di Belle Arti di Carrara: The Accademia di Belle Arti di Carrara is a public tertiary academy of art in Carrara, in Tuscany, Italy.  It was founded on 26 September 1769 by Maria Teresa Cybo-Malaspina, duchess of Massa and princess of Carrara; but its origins go back to 1757, when, on the advice of the sculptor Giovanni Domenico Olivieri, she founded the Accademia di San Ceccardo in which sculpture, architecture and painting were to be taught.

David (Michelangelo): David (] ) is a masterpiece of Renaissance sculpture created between 1501 and 1504 by Michelangelo.

Accademia di Belle Arti di Firenze: The Accademia di Belle Arti di Firenze ("academy of fine arts of Florence") is an instructional art academy in Florence, in Tuscany, in central Italy.

Palestrina Pietà: The Palestrina Pietà is a marble sculpture by the Italian High Renaissance, dating from c. 1555 and housed in the Galleria dell'Accademia, Florence.  It was formerly attributed to Michelangelo, but now it is mostly considered to have been completed by someone else, such as Niccolò Menghini or Gian Lorenzo Bernini.  According to the Galleria dell'Accademia, the sculpture's "attribution to the master is still somehow controversial".

Supporting paragraphs: Galleria dell'Accademia David (Michelangelo)
Answer: 1504