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_37 ( aircraft VARCHAR, call_sign VARCHAR )

### Question ###
Which Aircraft has the Call Sign Paula 01?

### Accurate SQL ###

SELECT aircraft FROM table_name_37 WHERE call_sign = "paula 01"