question: What is the document id with 1 to 2 paragraphs?
#1 return documents 
#2 return paragraphs of #1 
#3 return number of  #2 for each #1 
#4 return #1 where #3 is  at least 1 
#5 return #1 where #3 is  at most 2 
#6 return document id of both #4 and #5