Table: costa_rica_intl_rankings
Columns: author_editor_source
year_of_publication
countries_sampled
world_ranking_1
ranking_in_latin_america_2

Question: Who is the Author/Editor/Source for more than 100 countries sampled and has a 35 world ranking?
SQL: SELECT "author_editor_source" FROM costa_rica_intl_rankings WHERE "world_ranking_1" = '35' AND "countries_sampled" > 100

Question: How many countries sampled has a world ranking of 33 in 2010 and less than 3 ranking in Latin America?
SQL: SELECT SUM("countries_sampled") FROM costa_rica_intl_rankings WHERE "year_of_publication" = '2010' AND "world_ranking_1" = '33' AND "ranking_in_latin_america_2" < 3

Question: What's the world ranking in 2011 having more than 142 countries sampled, and more than a 3 for ranking in Latin America?
SQL: SELECT "world_ranking_1" FROM costa_rica_intl_rankings WHERE "year_of_publication" = '2011' AND "ranking_in_latin_america_2" > 3 AND "countries_sampled" > 142