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_49 (left_office VARCHAR, entered_office VARCHAR)
### Question:
What date did the prime minister who entered office on 7 December 1916 leave office?
### Answer:
SELECT left_office FROM table_name_49 WHERE entered_office = "7 december 1916"