Table: neo geo online collection
Question: What is the longest time gap between two Neo Geo online collection releases?
Step 1 (Reasoning, Grounding): releases, release date (japan)
Step 2 (Reasoning, Arithmetic): -, gap between two Neo Geo online collection
Step 3 (Reasoning, Other Commonsense Reasoning): longest
Step 4 (Reasoning, Aggregating): MAX, gap
Answer: 252