Misc: Who became U.S. president following the assassination of William McKinley in 1901?

Questions

Which city is the title of Mozart's 36th Symphony?

Two South American countries have no coastline, Bolivia is one what is the other?

In Arthurian legend, who was the Lily Maid of Astolat?

Frank Zappa was lead singer with which band?

Which small republic is situated on the slopes of Monte Titano in Italy?