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

### Instruction:
Alana Boyd of group B with a 4.30 result has what nationality?

### Inputs:
table_name: table, columns: ['Group', 'Name', 'Nationality', '4.00', 'Result']

### Response:
SELECT Nationality FROM table WHERE Group = b AND Result = 4.30 AND Name = alana boyd