Table: list of schools in the manawatu - wanganui region
Question: What is the most common Authority of schools with Years as 1-8 in the Manawatu-Wanganui region?
Step 1 (Operation, Filter): years
Step 2 (Operation, Grouping): authority
Step 3 (Reasoning, Aggregating): COUNT, authority
Step 4 (Reasoning, Aggregating): MAX, most common Authority
Answer: state