CREATE TABLE table_50553 ("Election" FLOAT, "Leader" CLOB, "# of candidates" FLOAT, "# of Constituency votes" FLOAT, "% of Constituency vote" CLOB)

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?
SELECT SUM("# of candidates") FROM table_50553 WHERE "# of Constituency votes" < '25,643,309' AND "Leader" = 'masayoshi ōhira' AND "Election" < '1979'
SELECT SUM("# of candidates") FROM "table_50553" WHERE "# of Constituency votes" < '25,643,309' AND "Election" < '1979' AND "Leader" = 'masayoshi ōhira'