CREATE TABLE table_name_18 (_number_of_constituency_votes INT, _number_of_candidates VARCHAR, election VARCHAR, leader VARCHAR)

What is the highest # Of Constituency Votes, when Election is before 1976, when Leader is Eisaku Sat , and when # Of Candidates is less than 328?
SELECT MAX(_number_of_constituency_votes) FROM table_name_18 WHERE election < 1976 AND leader = "eisaku satō" AND _number_of_candidates < 328
SELECT MAX("_number_of_constituency_votes") FROM "table_name_18" WHERE "_number_of_candidates" < 328 AND "eisaku satō" = "leader" AND "election" < 1976