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_25421463_1 ( season VARCHAR, final_placing VARCHAR, team_name VARCHAR )

### Question ###
In what season was the final placing NC and the team SL Formula Racing?

### Accurate SQL ###

SELECT season FROM table_25421463_1 WHERE final_placing = "NC†" AND team_name = "SL Formula Racing"