How many rubber cubes are there in front of the largest red sphere?
return cube ;return #1 that  is  rubber ;return sphere ;return #3 that  is  red ;return size of #4 ;return #4 where #5 is  largest ;return #2 in front of #6 ;return number of #7
['select', 'filter', 'select', 'filter', 'project', 'superlative', 'filter', 'aggregate']