music: 60's Chart Toppers: Name The Artist: Soul Twist?

Questions

what actor or actress from tv's 'cheers' made and appearance in 'the empire strikes back'?

what were the names of three ships that formed the fleet in which columbus discovered the new world?

in the game of eight-ball, how many balls are there on the table at the start (excluding the cue ball)?

what infamous criminal ultimately served time in alcatraz for tax evasion?

in what year did jackie robinson break the major league baseball's color barrier?