CREATE TABLE table_name_30 (genre VARCHAR, english_title__chinese_title_ VARCHAR)

What genre is revolving doors of vengeance ?
SELECT genre FROM table_name_30 WHERE english_title__chinese_title_ = "revolving doors of vengeance 酒店風雲"
SELECT "genre" FROM "table_name_30" WHERE "english_title__chinese_title_" = "revolving doors of vengeance 酒店風雲"