Name the highest roll for coed and authority of state integrated with sacred heart school
CREATE TABLE table_68998 (
    "Name" text,
    "Years" text,
    "Gender" text,
    "Area" text,
    "Authority" text,
    "Decile" real,
    "Roll" real
)
SELECT MAX("Roll") FROM table_68998 WHERE "Gender" = 'coed' AND "Authority" = 'state integrated' AND "Name" = 'sacred heart school'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the highest roll for coed and authority of state integrated with sacred heart school ### Input: CREATE TABLE table_68998 (
    "Name" text,
    "Years" text,
    "Gender" text,
    "Area" text,
    "Authority" text,
    "Decile" real,
    "Roll" real
) ### Response: SELECT MAX("Roll") FROM table_68998 WHERE "Gender" = 'coed' AND "Authority" = 'state integrated' AND "Name" = 'sacred heart school'