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_1 (servedby VARCHAR, station VARCHAR, local_authority_ VARCHAR, a_ VARCHAR)
### Question:
Which Servedby has a Local authority [a ] of thurrock, and a Station of ockendon?
### Answer:
SELECT servedby FROM table_name_1 WHERE local_authority_[a_] = "thurrock" AND station = "ockendon"