Database: car_1 (difficulty: simple)
Question: For a mercedes-benz model, how many cylinders does the version with least accelerate have?
SQL: SELECT T1.cylinders FROM CARS_DATA AS T1 JOIN CAR_NAMES AS T2 ON T1.Id  =  T2.MakeId WHERE T2.Model  =  'mercedes-benz' ORDER BY T1.accelerate ASC LIMIT 1;