CREATE TABLE table_name_79 (genre VARCHAR2, release_year_of_first_charted_record VARCHAR2, country_of_origin VARCHAR2)

What is the Genre, when the Release-year of first charted record is 1968, and when the Country of origin is United States?
SELECT genre FROM table_name_79 WHERE release_year_of_first_charted_record = 1968 AND country_of_origin = "united states"
SELECT "genre" FROM "table_name_79" WHERE "country_of_origin" = "united states" AND "release_year_of_first_charted_record" = 1968