Table: 1971 vfl season
Question: What was the most competitive match between the home team and the away team in the 1971 VFL season?
Step 1 (Reasoning, Other Commonsense Reasoning): most competitive
Step 2 (Reasoning, Arithmetic): -, difference between the home team and the away team
Step 3 (Reasoning, Aggregating): MAX, difference
Step 4 (Operation, Indexing): home team
Answer: melbourne v.s. richmond