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_24921 ( "School" text, "Location" text, "Team Name" text, "Colors" text, "Varsity Teams" real, "NJCAA Championships" real )

### Question ###
What is the minimum possible NJCAA championships?

### Accurate SQL ###

SELECT MIN("NJCAA Championships") FROM table_24921