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_23958917_1 (stacks VARCHAR, in_service_dates VARCHAR)
### Question:
Name the stacks for 1 1969 2 1995
### Answer:
SELECT stacks FROM table_23958917_1 WHERE in_service_dates = "1 1969 2 1995"