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

### Instruction:
On broadcast date is 28march1970, how many people tuned in?

### Inputs:
table_name: table, columns: ['Episode', 'Broadcast date', 'Run time', 'Viewers (in millions)', 'Archive']

### Response:
SELECT Viewers (in millions) FROM table WHERE Broadcast date = 28March1970