Misc: Which bank lies to the left of a canoeist paddling upstream, the left or the right?

Questions

The Palio, held in Siena, is what kind of race?

Which modern city was once called Byzantium?

Which artist painted 'Guernica'?

In mediaval history, who was the lover of Heloise?

During the 20th century who was the only England bowler to take a hat trick in an Ashes test?