Table: list of superfund sites in mississippi
Question: Is there a difference in the number of Superfund sites in Mississippi between counties? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Indexing): county
Step 2 (Operation, Grouping): county
Step 3 (Reasoning, Aggregating): COUNT, cerclis id
Step 4 (Reasoning, Other Commonsense Reasoning): difference
Answer: Yes