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

### Instruction:
What was the title of the episode viewed by 5.03 million viewers?

### Inputs:
table_name: table, columns: ['Series episode', 'Season episode', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (in million)']

### Response:
SELECT Title FROM table WHERE U.S. viewers (in million) = 5.03