Table: 2008 national league championship series
Question: What was the winning team’s average score per game in the 2008 National League Championship Series?
Step 1 (Operation, Indexing): score
Step 2 (Reasoning, Other Commonsense Reasoning): winning team
Step 3 (Reasoning, Aggregating): MAX, winning team's score
Step 4 (Reasoning, Aggregating): AVG, score
Answer: 6