Based on the clue 'castle rock in this novel is the fort where jack b...', what is the answer?

Based on the clue 'casting call for anna bolena youll need to sing b...', what is the answer? What is associated with: castle clinton national monument was originally a fort renamed in 1815 for this new york city… Based on the clue 'castle community that the queen calls home', what is the answer? What is associated with: castle richmond is the title setting of an 1860 work by this author of barchester towers? Based on the clue 'castle that was the birthplace of st ignatius the ...', what is the answer? Which performer is associated with 'castle'? What is associated with: castles offered great protection until the 1400s when these large weapons came into use? Based on the clue 'castor pollux are the twin sons of this god', what is the answer?