Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
When was the person(s) who were canonised before 1988 beatified?

### Inputs:
table_name: table, columns: ['Name', 'Martyred', 'Place', 'Beatified', 'Canonised']

### Response:
SELECT Beatified FROM table WHERE Canonised < 1988