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_39 (year INTEGER, role VARCHAR, notes VARCHAR)
### Question:
What is the sum of Year, when Role is "himself", and when Notes is "celebrity guest alongside yg family"?
### Answer:
SELECT SUM(year) FROM table_name_39 WHERE role = "himself" AND notes = "celebrity guest alongside yg family"