Table: 1999 european grand prix
Question: What was the most common reason for retirements among the top ten finishers in the 1999 European Grand Prix?
Step 1 (Reasoning, Other Commonsense Reasoning): top ten finishers
Step 2 (Operation, Filter): driver
Step 3 (Operation, Filter): time / retired
Step 4 (Reasoning, Other Commonsense Reasoning): the most common reason
Answer: clutch