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_95 (season VARCHAR, team VARCHAR, number VARCHAR, league VARCHAR)

### Question ###
What season has a number less than 90, Mitte as the league and spvgg ruhmannsfelden as the team?

### Accurate SQL ###

SELECT season FROM table_name_95 WHERE number < 90 AND league = "mitte" AND team = "spvgg ruhmannsfelden"