What is associated with: a chauffeured lady from 1989 joins greg louganis in competition?

Based on the clue 'a charity may hold a silent one of these to raise ...', what is the answer? Based on the clue 'a charles berlitz book calls atlantis the eighth t...', what is the answer? What is referred to by 'a chatterbox'? Based on the clue 'a chatty person has the gift of this a word derive...', what is the answer? Based on the clue 'a cheap dilapidated car especially a model t is re...', what is the answer? What is referred to by 'a cheap imitation'? Based on the clue 'a cheap novel written quickly just to make money', what is the answer? Based on the clue 'a cheap run down car tin', what is the answer?