Based on the clue '3 of the 6 countries that have hosted both the sum...', what is the answer?

Based on the clue '3 of the 4 williams', what is the answer? Based on the clue '3 of the 5 founding members of opec', what is the answer? Based on the clue '3 of the 5 main cities of the 13 colonies', what is the answer? Based on the clue '3 of the 6 biggest us newspapers are this citys wa...', what is the answer? Based on the clue '3 of the 6 restaurants owned by emeril lagasse are...', what is the answer? Based on the clue '3 of the 7 countries that make up central america', what is the answer? Based on the clue '3 of the countries that make up this land are gill...', what is the answer? Based on the clue '3 of the dead sea scrolls tell of the preparation ...', what is the answer?