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_81 (name VARCHAR, assumed_office VARCHAR, district VARCHAR)
### Question:
What is the name of the Senator in the O District who assumed office in 2013?
### Answer:
SELECT name FROM table_name_81 WHERE assumed_office = 2013 AND district = "o"