What does this describe: the term gioconda smile refers to an enigmatic smile like the famous one painted by this man?

Based on the clue 'in spanish this 2 letter word', what is the answer? Based on the clue 'a popular chinese dish it consists of stir fried shredded meat vegetables served in thin pancakes',… Based on the clue 'audio daily double title of the following', what is the answer? What is associated with: in 1962 the everly brothers were crying in the rain 3 years later elvis was crying here? Based on the clue 'this sweet age is the legal drinking one in belgium', what is the answer? What is associated with: keanu reeves is a supernatural detective in this 2005 flick based on the hellblazer comic book? What is associated with: spanning 1800 feet the quebec bridge is the worlds longest bridge of this type? What is associated with: in 2006 a 1907 portrait of adele bloch bauer by this austrian sold for a record 135 million?