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

### Instruction:
what is the number of the episode in the season that had 7.19 millions of north american viewers?

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

### Response:
SELECT Season # FROM table WHERE U.S. viewers (millions) = 7.19