Table: 1994 open championship
Question: What is the average score difference between the winner and runner-up of the 1994 open championship?
Step 1 (Reasoning, Analytic entailment): runner-up, palyers other than the winner
Step 2 (Operation, Indexing): score
Step 3 (Operation, Filter): score
Step 4 (Reasoning, Aggregating): AVG, score difference
Answer: 1