How many letters does the top answer for “which artist painted the late 15th century mural 'the last supper'” have?

The most common answer is da (2 letters).

Crossword clue: which artist painted the late 15th century mural 'the last supper'

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

da 2 letters otdb

an official prosecutor for a judicial district

leonardo 8 letters otdb

Italian painter and sculptor and engineer and scientist and architect; the most versatile genius of the Italian Renaissa

vinci 5 letters otdb