How many million U.S. viewers watched the episode with the production code 3x6004?
CREATE TABLE table_26464364_1 (us_viewers__million_ VARCHAR, production_code VARCHAR)
SELECT us_viewers__million_ FROM table_26464364_1 WHERE production_code = "3X6004"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26464364_1 (us_viewers__million_ VARCHAR, production_code VARCHAR) Question: How many million U.S. viewers watched the episode with the production code 3x6004? [/INST] SELECT us_viewers__million_ FROM table_26464364_1 WHERE production_code = "3X6004" </s>