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_name_16 ( year_10_5th_quad VARCHAR, open_1st_viii VARCHAR, year_10_3rd_quad VARCHAR )

### Question ###
What is the Year 10 5th Quads with NC as Open 1st VIII and NC as a Year 10 3rd Quads?

### Accurate SQL ###

SELECT year_10_5th_quad FROM table_name_16 WHERE open_1st_viii = "nc" AND year_10_3rd_quad = "nc"