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

### Instruction:
What is the sum of all ratings at a weekly rank of 10 and a share less than 11?

### Inputs:
table_name: table, columns: ['Air Date', 'Timeslot (EST)', 'Season', 'Rating', 'Share', '18-49 (Rating/Share)', 'Viewers (m)', 'Weekly Rank (#)']

### Response:
SELECT SUM Rating FROM table WHERE Weekly Rank (#) = 10 AND Share < 11