For model volvo, how many cylinders does the car with the least accelerate have?
return cars ;return models of  #1 ;return #1 where #2 is  volvo ;return accelerate of  #3 ;return #3 where #4 is  lowest ;return cylinders of  #5 ;return number of  #6
['select', 'project', 'comparative', 'project', 'superlative', 'project', 'aggregate']