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_25 (incorporated INTEGER, company VARCHAR)
### Question:
What is the average incorporataed year of the Air India Charters company?
### Answer:
SELECT AVG(incorporated) FROM table_name_25 WHERE company = "air india charters"