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_31 (location VARCHAR, name VARCHAR, type VARCHAR, entered_service VARCHAR)
### Question:
Where is Transocean Richardson, a semi entered into service in 1988?
### Answer:
SELECT location FROM table_name_31 WHERE type = "semi" AND entered_service = "1988" AND name = "transocean richardson"