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_78 (interregnum_ended VARCHAR, duration VARCHAR)
### Question:
What is the Interregnum ended for the person with a Duration of 3 months, 6 days?
### Answer:
SELECT interregnum_ended FROM table_name_78 WHERE duration = "3 months, 6 days"