How many first elected years are provided for Thomas P. Moore?
CREATE TABLE table_3599 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" text,
    "Result" text,
    "Candidates" text
)
SELECT COUNT("First elected") FROM table_3599 WHERE "Incumbent" = 'Thomas P. Moore'
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 first elected years are provided for Thomas P. Moore? ### Input: CREATE TABLE table_3599 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" text,
    "Result" text,
    "Candidates" text
) ### Response: SELECT COUNT("First elected") FROM table_3599 WHERE "Incumbent" = 'Thomas P. Moore'