user: Question: Name the highest roll for Coed and authority of State integrated with Sacred Heart School
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Arowhenua Maori School', '1–8', 'Coed', 'Arowhenua', 'State', 4.0, 24.0]
SQL:

assistant: SELECT MAX("Roll") FROM "Table" WHERE "Gender" = 'Coed' AND "Authority" = 'State integrated' AND "Name" = 'Sacred Heart School';