Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_35412 ( "Constituency" text, "Electorate" real, "Turnout" text, "Spoilt" text, "Valid Poll" real, "Quota" text, "Seats" real, "Candidates" real )

### Question ###
What is the turnout with 15 candidates and more than 377,591 valid poll?

### Accurate SQL ###

SELECT "Turnout" FROM table_35412 WHERE "Candidates" = '15' AND "Valid Poll" > '377,591'