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

### Instruction:
What is the lowest number for all children when the child labour percentage is greater than 15.5 and the number of children in hazardous work is 170,500 while the number of economically active children is more than 351,700?

### Inputs:
table_name: table, columns: ["All Children ('000s)", "Economically Active Children ('000s)", 'Economically Active Children (%)', "Child Labour ('000s)", 'Child Labour (%)', "Children In Hazardous Work ('000s)", 'Children In Hazardous Work (%)']

### Response:
SELECT MIN All Children ('000s) FROM table WHERE Child Labour (%) > 15.5 AND Children In Hazardous Work ('000s) = 170,500 AND Economically Active Children ('000s) > 351,700