Misc: in which german city does the annual 'oktoberfest' beer festival take place?

Questions

who played the role of crassus in stanley kubrick's spartacus?

what opera was written by verdi for the opening of the suez canal?

what crooner made the ballad "and i love her so" popular?

saint vladimir is the patron saint of what country?

what tv movie by rod serling resulted in bomb threats during airing?