Based on the clue 'about 60 miles south of sicily is this island nati...', what is the answer?

Based on the clue 'about 6 million tourists a year visit this citys f...', what is the answer? Based on the clue 'about 6 of the ore mined for this mineral contains...', what is the answer? What is associated with: about 60 members of the sons of liberty dressed as indians for this december 16 1773 incident? Based on the clue 'about 60 miles below this rivers confluence with t...', what is the answer? Based on the clue 'about 60 of latvians are ethnically latvian this n...', what is the answer? Based on the clue 'about 60 of the essays in the federalist were writ...', what is the answer? Based on the clue 'about 60 of this mother river of russias water flo...', what is the answer? Based on the clue 'about 600 bc this poet of lesbos put on quite a sh...', what is the answer?