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

### Instruction:
What team had less than 291 total points whole having 76 bronze and over 21 gold?

### Inputs:
table_name: table, columns: ['Rank', 'Province', 'Gold', 'Silver', 'Bronze', 'Total']

### Response:
SELECT SUM Silver FROM table WHERE Gold > 21 AND Bronze = 76 AND Total < 291