user: Question: What is the total number of roll for te hapua school?
Columns: ['Name', 'Years', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Ahipara School', '1–8', 'Ahipara', 'State', 3.0, 203.0]
SQL:

assistant: SELECT SUM("Roll") FROM "Table" WHERE "Name" = 'te hapua school';