What is the total number of years Andy Murray was at Wimbledon?
CREATE TABLE table_45484 (
    "Year" real,
    "Australian Open" text,
    "French Open" text,
    "Wimbledon" text,
    "US Open" text
)
SELECT COUNT("Year") FROM table_45484 WHERE "Wimbledon" = 'andy murray'
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: What is the total number of years Andy Murray was at Wimbledon? ### Input: CREATE TABLE table_45484 (
    "Year" real,
    "Australian Open" text,
    "French Open" text,
    "Wimbledon" text,
    "US Open" text
) ### Response: SELECT COUNT("Year") FROM table_45484 WHERE "Wimbledon" = 'andy murray'