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

### Instruction:
Who trained the representative whose presentation of credentials happened on February 24, 1950?

### Inputs:
table_name: table, columns: ['Representative', 'State', 'Training', 'Title', 'Appointment', 'Presentation of Credentials', 'Termination of Mission', 'Reason']

### Response:
SELECT Training FROM table WHERE Presentation of Credentials = February 24, 1950