A Database Error Occurred

Error Number: 1054

Unknown column '4_html' in 'where clause'

SELECT `works`.`id`, `works`.`detail_ext`, `works`.`big_ext`, `works_data`.`title`, `works_data`.`description` FROM (`portfolio_works` works) LEFT JOIN `portfolio_works_data` works_data ON `works`.`id` = `works_data`.`work_id` WHERE `works`.`category_id` = 4_html AND works_data.language_id = 1