Table: fibt world championships 2008
Question: What is the ratio of silver to gold medals among the nations that earned a gold medal?
Step 1 (Operation, Filter): gold
Step 2 (Reasoning, Aggregating): SUM, silver
Step 3 (Reasoning, Aggregating): SUM, gold
Step 4 (Reasoning, Arithmetic): /, ratio of silver to gold medals
Answer: 2:6