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

### Instruction:
what is the rank (night) when the rating is more than 4.3 and the viewers (millions) is more than 10.72?

### Inputs:
table_name: table, columns: ['Episode', 'Rating', 'Share', 'Rating/Share (18-49)', 'Viewers (millions)', 'Rank (timeslot)', 'Rank (night)', 'Rank (week)']

### Response:
SELECT AVG Rank (night) FROM table WHERE Rating > 4.3 AND Viewers (millions) > 10.72