Tell me the highest NGC number for right ascension of 09h40m28.5s
CREATE TABLE table_55222 (
    "NGC number" real,
    "Object type" text,
    "Constellation" text,
    "Right ascension ( J2000 )" text,
    "Declination ( J2000 )" text
)
SELECT MAX("NGC number") FROM table_55222 WHERE "Right ascension ( J2000 )" = '09h40m28.5s'
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: Tell me the highest NGC number for right ascension of 09h40m28.5s ### Input: CREATE TABLE table_55222 (
    "NGC number" real,
    "Object type" text,
    "Constellation" text,
    "Right ascension ( J2000 )" text,
    "Declination ( J2000 )" text
) ### Response: SELECT MAX("NGC number") FROM table_55222 WHERE "Right ascension ( J2000 )" = '09h40m28.5s'