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_55 (type VARCHAR, builder VARCHAR, number VARCHAR)

### Question ###
Which Type has a Builder of avonside engine company, and a Number of 9?

### Accurate SQL ###

SELECT type FROM table_name_55 WHERE builder = "avonside engine company" AND number = 9