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_18 ( owner_operator VARCHAR, from_to VARCHAR )

### Question ###
Who is the owner/operator of the line from Kambalda to Esperance?

### Accurate SQL ###

SELECT owner_operator FROM table_name_18 WHERE from_to = "kambalda to esperance"