Table: 1976 - 77 philadelphia flyers season
Question: Are there any differences in the average round in which players from different countries were drafted by the Philadelphia Flyers in the 1976-77 season? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Grouping): nationality
Step 2 (Operation, Indexing): round	
Step 3 (Reasoning, Aggregating): AVG, round for each nationality
Step 4 (Reasoning, Arithmetic): comparison, averaged round of each nationality
Answer: Yes