How many were first elected in the Arkansas 4 district?
CREATE TABLE table_72409 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
)
SELECT COUNT("First elected") FROM table_72409 WHERE "District" = 'Arkansas 4'
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 were first elected in the Arkansas 4 district? ### Input: CREATE TABLE table_72409 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
) ### Response: SELECT COUNT("First elected") FROM table_72409 WHERE "District" = 'Arkansas 4'