What is the sum of # Of Candidates, when # of Constituency Votes is less than 25,643,309, when Leader is Masayoshi hira, and when Election is before 1979?
CREATE TABLE table_50553 (
    "Election" real,
    "Leader" text,
    "# of candidates" real,
    "# of Constituency votes" real,
    "% of Constituency vote" text
)
SELECT SUM("# of candidates") FROM table_50553 WHERE "# of Constituency votes" < '25,643,309' AND "Leader" = 'masayoshi ōhira' AND "Election" < '1979'
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 sum of # Of Candidates, when # of Constituency Votes is less than 25,643,309, when Leader is Masayoshi hira, and when Election is before 1979? ### Input: CREATE TABLE table_50553 (
    "Election" real,
    "Leader" text,
    "# of candidates" real,
    "# of Constituency votes" real,
    "% of Constituency vote" text
) ### Response: SELECT SUM("# of candidates") FROM table_50553 WHERE "# of Constituency votes" < '25,643,309' AND "Leader" = 'masayoshi ōhira' AND "Election" < '1979'