Table: iaaf road race label events
Question: What is the average distance of road race events held in Europe?
Step 1 (Operation, Indexing): road race, distance
Step 2 (Reasoning, Geographical/Spatial Reasoning): Europe
Step 3 (Reasoning, Auto-categorization): italy, portugal, czech republic, france, united kingdom, germany, turkey, autria, Europe
Step 4 (Reasoning, Aggregating): AVG, average
Answer: 30.5