Table: list of dr. floyd episodes
Question: Are there any recurring themes in the titles of the episodes with historical references? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Reasoning, Other Commonsense Reasoning): recurring themes in the titles
Step 2 (Operation, Indexing): title	
Step 3 (Operation, Filter): historical references do not equal to none
Step 4 (Reasoning, Reasoning with Quantifiers): existential, same themes with historical references
Answer: Yes