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 (length_of_retirement VARCHAR, president VARCHAR)
### Question:
What is the length of retirement for president Sharma, Shankar Shankar Dayal Sharma?
### Answer:
SELECT length_of_retirement FROM table_name_49 WHERE president = "sharma, shankar shankar dayal sharma"