CREATE TABLE table_52123 ("Airing date" TEXT, "English title  ( Chinese title ) " TEXT, "Number of episodes" FLOAT, "Genre" TEXT, "Official website" TEXT)

What genre is revolving doors of vengeance ?
SELECT "Genre" FROM table_52123 WHERE "English title (Chinese title)" = 'revolving doors of vengeance 酒店風雲'
SELECT "Genre" FROM "table_52123" WHERE "English title (Chinese title)" = 'revolving doors of vengeance 酒店風雲'