SELECT SUM(production_number) FROM table_name_18 WHERE director = "robert mckimson" AND series = "mm" AND title = "people are bunny"
CREATE TABLE table_name_18 (production_number INTEGER, title VARCHAR, director VARCHAR, series VARCHAR)
หมายเลขการผลิตที่กำกับโดย Robert McKimson ในซีรีส์ mm ชื่อ People Are Bunny คืออะไร
What is the production number directed by Robert McKimson in series mm titled People Are Bunny?