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_65218 ( "School" text, "Location" text, "Mascot" text, "County" text, "Year Joined" real, "Year Left" real, "Conference Joined" text )

### Question ###
What's the highest Year Left that's got a Conference Joined of Sagamore with a Year Joined larger than 1942?

### Accurate SQL ###

SELECT MAX("Year Left") FROM table_65218 WHERE "Conference Joined" = 'sagamore' AND "Year Joined" > '1942'