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

### Instruction:
What is the % (1960) of Troms, which has a % (2040) smaller than 100 and a % (2000) smaller than 4.7?

### Inputs:
table_name: table, columns: ['Rank', 'County', '% (1960)', '% (2000)', '% (2040)']

### Response:
SELECT SUM % (1960) FROM table WHERE % (2040) < 100 AND % (2000) < 4.7 AND County = troms