CREATE TABLE table_name_50 (format VARCHAR, label VARCHAR, region VARCHAR, date VARCHAR)

What is the format for the label Mightier than Sword on January 12, 2010 in the United States?
SELECT format FROM table_name_50 WHERE region = "united states" AND date = "january 12, 2010" AND label = "mightier than sword"
SELECT "format" FROM "table_name_50" WHERE "date" = "january 12, 2010" AND "label" = "mightier than sword" AND "region" = "united states"