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_14242137_4 (oberliga_bayern VARCHAR, oberliga_baden_württemberg VARCHAR, season VARCHAR)

### Question ###
Name the oberliga bayern for sv sandhausen for 1986-87

### Accurate SQL ###

SELECT oberliga_bayern FROM table_14242137_4 WHERE oberliga_baden_württemberg = "SV Sandhausen" AND season = "1986-87"