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_86 (established INTEGER, country_territory VARCHAR)
### Question:
What is the average year that the medical school in dominican republic was established?
### Answer:
SELECT AVG(established) FROM table_name_86 WHERE country_territory = "dominican republic"