Table: communist party of india (maoist)
Question: What is the average number of casualties per incident reported by the Communist Party of India (Maoist)? 
Step 1 (Operation, Indexing): tota
Step 2 (Operation, Indexing): killed and injured
Step 3 (Reasoning, Aggregating): SUM, total killed and injured
Step 4 (Reasoning, Arithmetic): divide, number of events
Answer: 55.43