Table: list of superfund sites in mississippi
Question: Are there any counties with a disproportionately high number of Superfund sites compared to the rest of Mississippi? 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, Reasoning with Quantifiers): existential, disproportionately high number of Superfund sites
Answer: No