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_17 (beatified VARCHAR, canonised INTEGER)
### Question:
When was the person(s) who were canonised before 1988 beatified?
### Answer:
SELECT beatified FROM table_name_17 WHERE canonised < 1988