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_43 (rank INTEGER, studio_s_ VARCHAR, year VARCHAR)
### Question:
Tell me the average rank for dharma productions before 2013
### Answer:
SELECT AVG(rank) FROM table_name_43 WHERE studio_s_ = "dharma productions" AND year < 2013