Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_18 (owner_operator VARCHAR, from_to VARCHAR)
### Question:
Who is the owner/operator of the line from Kambalda to Esperance?
### Answer:
SELECT owner_operator FROM table_name_18 WHERE from_to = "kambalda to esperance"