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

### Instruction:
What is the number of silver when bronze is 0, and rank is less than 2?

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

### Response:
SELECT SUM Silver FROM table WHERE Bronze = 0 AND Rank < 2