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_28 (catalog VARCHAR, format VARCHAR, date VARCHAR)
### Question:
From what catalog was the release that happened on April 12, 1968, and in LP format?
### Answer:
SELECT catalog FROM table_name_28 WHERE format = "lp" AND date = "april 12, 1968"