What is Gary David Saunders' Tenure?
CREATE TABLE table_9579 (
    "Name" text,
    "Rank" text,
    "Tenure" text,
    "Date of death" text,
    "Cause of death" text
)
SELECT "Tenure" FROM table_9579 WHERE "Name" = 'gary david saunders'
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 Gary David Saunders' Tenure? ### Input: CREATE TABLE table_9579 (
    "Name" text,
    "Rank" text,
    "Tenure" text,
    "Date of death" text,
    "Cause of death" text
) ### Response: SELECT "Tenure" FROM table_9579 WHERE "Name" = 'gary david saunders'