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_12 ( team VARCHAR, class VARCHAR, points VARCHAR, year VARCHAR )

### Question ###
Name the Team which has Points larger than 9, and a Year larger than 1971, and a Class of 250cc?

### Accurate SQL ###

SELECT team FROM table_name_12 WHERE points > 9 AND year > 1971 AND class = "250cc"