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 ( authors VARCHAR, unit VARCHAR, name VARCHAR )

### Question ###
What authors have clarno formation as the unit, actinidia oregonensis as the name?

### Accurate SQL ###

SELECT authors FROM table_name_55 WHERE unit = "clarno formation" AND name = "actinidia oregonensis"