In 'Star Wars', who trained Luke Skywalker on Dagobah?

In 'Rocky', which famous steps does Rocky run up in Philadelphia? In 'The Karate Kid' (1984), who is Daniel's teacher? In 'Star Wars', what is the name of Han Solo's ship? In 'Star Wars', what is Chewbacca's species? In 'Star Wars', what is Darth Vader's name before he turned to the dark side? In 'Star Wars', what is the name of the moon-sized battle station destroyed by Luke? In 'Indiana Jones and the Last Crusade', what are the characters searching for? In 'Raiders of the Lost Ark', what artifact are the characters searching for?