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_1500146_1 (scientific_linux_release VARCHAR, delay VARCHAR)
### Question:
Name the scientific linux release when delay is 28d
### Answer:
SELECT scientific_linux_release FROM table_1500146_1 WHERE delay = "28d"