string(243) "SELECT lpf.`product_family_id`, lpf.`product_family_name`, lpf.`file_path` FROM `list_product` lp JOIN `list_product_family` lpf ON lpf.`product_family_id` = lp.`product_family_id` WHERE lp.`category_id` = '15' GROUP BY lp.`product_family_id`"