query: SELECT LANGUAGE ,  CountryCode ,  max(Percentage) FROM countrylanguage GROUP BY CountryCode
question: What are the country codes of the different countries, and what are the languages spoke by the greatest percentage of people for each?
query_toks: SELECT LANGUAGE , CountryCode , max ( Percentage ) FROM countrylanguage GROUP BY CountryCode
query_toks_no_value: select language , countrycode , max ( percentage ) from countrylanguage group by countrycode
question_toks: What are the country codes of the different countries, and what are the languages spoke by the greatest percentage of people for each?