CREATE TABLE table_35412 ("Constituency" CLOB, "Electorate" FLOAT, "Turnout" CLOB, "Spoilt" CLOB, "Valid Poll" FLOAT, "Quota" CLOB, "Seats" FLOAT, "Candidates" FLOAT)

What is the turnout with 15 candidates and more than 377,591 valid poll?
SELECT "Turnout" FROM table_35412 WHERE "Candidates" = '15' AND "Valid Poll" > '377,591'
SELECT "Turnout" FROM "table_35412" WHERE "Candidates" = '15' AND "Valid Poll" > '377,591'