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

### Instruction:
What is the change in population since 1993 in the region where the % of country's population was 4.2?

### Inputs:
table_name: table, columns: ['Region', 'Population', '% of countrys population', 'Change in population since 1993', 'Change in % of countrys population since 1993']

### Response:
SELECT COUNT Change in population since 1993 FROM table WHERE % of countrys population = 4.2