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

### Instruction:
What is the name of the visitor team who played home team Chicago Black Hawks on March 20?

### Inputs:
table_name: table, columns: ['Date', 'Visitor', 'Score', 'Home', 'Record']

### Response:
SELECT Visitor FROM table WHERE Home = chicago black hawks AND Date = march 20