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_44476 ( "Round" real, "Pick" real, "Overall" real, "Name" text, "Position" text, "College" text )

### Question ###
What is the sum of Overall, when Round is less than 24, and when College is North Carolina State?

### Accurate SQL ###

SELECT SUM("Overall") FROM table_44476 WHERE "Round" < '24' AND "College" = 'north carolina state'