Question: What mosaic inside the main church of Florence is attributed to Gaddo Gaddi?
Context: Alta Church (Norwegian: "Alta kirke" ) is a parish church in Alta Municipality in Finnmark county, Norway.  It is located in the Bossekop area in the town of Alta.  The church is part of the Alta parish in the Alta deanery in the Diocese of Nord-Hålogaland.  The white wooden church was built in 1858 and was consecrated by the Bishop Knud Gislesen.  The architect was Stephen Henry Thomas.  The church seats about 230 people.  It was the main church for the municipality until 2013 when the Northern Lights Cathedral was built as the new main church for the municipality and deanery. The Las Piñas Nature Church, also known as the Mary Immaculate Parish Church, is a Roman Catholic church located in Moonwalk Village, Talon V in Las Piñas, Metro Manila, Philippines, known for its "nature theme" representing the ideas of then parish priest Fr Pierino Rogliardi and the architectural advocacy of chosen Filipino architect Francisco Mañosa.  When it was built in 1986, it was only capable of accommodating 100 people.  Beside the main church is the San Lorenzo de Manila Chapel, which is a smaller version of the main church, suited for more intimate church gatherings. The Cattedrale di Santa Maria del Fiore (] ; in English "Cathedral of Saint Mary of the Flower") is the main church of Florence, Italy.  Il Duomo di Firenze, as it is ordinarily called, was begun in 1296 in the Gothic style with the design of Arnolfo di Cambio and completed structurally in 1436 with the dome engineered by Filippo Brunelleschi.  The exterior of the basilica is faced with polychrome marble panels in various shades of green and pink bordered by white and has an elaborate 19th-century Gothic Revival façade by Emilio De Fabris. Monsignor Giovanni Gaddi or Giovanni di Taddeo di Agnolo Gaddi (25 April 1493 in Florence – 18 October 1542 in Rome) was an Italian cleric, descending from the noted Gaddi family of bankers and painters (Gaddo Gaddi, his son Taddeo (a pupil of Giotto) and grandsons Agnolo and Giovanni, active during the 14th century).  His parents were Taddeo di Agnolo Gaddi and Antonia di Bindo Altoviti.  His brother was cardinal Niccolò Gaddi and his nephew cardinal Taddeo Gaddi. The Marienkirche is a main church ("Hauptkirche") in Wolfenbüttel, Lower Saxony, Germany.  The official name of the Lutheran church is "Hauptkirche Beatae Mariae Virginis" (Main church of the Blessed Virgin Mary).  Short common names are "Hauptkirche BMV", or simply "BMV".  It is regarded as the first major Protestant church.  It was commissioned by Henry Julius, Duke of Brunswick-Lüneburg.  Building began in 1608, directed by "Baumeister" .  The portals in the north and south are attributed to . Gaddo Gaddi (c. 1239, Florence – c. 1312, Florence) was an Italian painter and mosaicist of Florence in a gothic art style.  Almost no works survive.  He was the father of Taddeo Gaddi.  He completed mosaics on facade of Santa Maria Maggiore in Rome.  The "Coronation of the Virgin" mosaic over the inside door of Florence Cathedral, dated 1307, is also attributed to Gaddo Gaddi. The Accademia degli Svogliati ("Academy of the Will-less" or, erroneously, "Disgusted") was a 17th-century association of Italian men of letters in Florence.  It began as a conversation at the house of Jacopo Gaddi, where it continued to meet.  Gaddi was the driving force behind the Svogliati, as evidenced by the title of its statutes: "Statuti dell' Accademia degli Svogliati sotto il Principato dell'Illustrissimo Signore Jacopo Gaddi, suo Primo Principe e Promotore stabiliti". Cennino d'Andrea Cennini (c. 1360 – before 1427) was an Italian painter influenced by Giotto.  He was a student of Agnolo Gaddi in Florence.  Gaddi trained under his father, called Taddeo Gaddi, who trained with Giotto. St Mary's Chapel of Ease, also known as "The Black Church", is a former chapel in Dublin, Ireland.  Now deconsecrated, it was a church of the Church of Ireland located on St Mary's Place, Broadstone, Dublin.  It is constructed from local calp limestone which takes on a dark hue when wet.  This is the origin of the building's nickname.  A chapel of ease is a church building, other than a parish church, that is located within the bounds of a parish for the convenience of those who cannot conveniently reach the main church.  The parish's main church, now also deconsecrated, was St Mary's on Mary Street. Mary Blair (October 21, 1911 – July 26, 1978), born Mary Robinson, was an American artist who was prominent in producing art and animation for The Walt Disney Company, drawing concept art for such films as "Alice in Wonderland", "Peter Pan", "Song of the South" and "Cinderella".  Blair also created character designs for enduring attractions such as Disneyland's It's a Small World, the fiesta scene in El Rio del Tiempo in the Mexico pavilion in Epcot's World Showcase, and an enormous mosaic inside Disney's Contemporary Resort.  Several of her illustrated children's books from the 1950s remain in print, such as "I Can Fly" by Ruth Krauss.  Blair was inducted into the prestigious group of Disney Legends in 1991.
Answer: Coronation of the Virgin