How many years was Best Musical Revival nominated?
CREATE TABLE table_55030 (
    "Year" real,
    "Award" text,
    "Category" text,
    "Nominee" text,
    "Result" text
)
SELECT COUNT("Year") FROM table_55030 WHERE "Nominee" = 'best musical revival'
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: How many years was Best Musical Revival nominated? ### Input: CREATE TABLE table_55030 (
    "Year" real,
    "Award" text,
    "Category" text,
    "Nominee" text,
    "Result" text
) ### Response: SELECT COUNT("Year") FROM table_55030 WHERE "Nominee" = 'best musical revival'