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

### Instruction:
What is the population where the rank is higher than 51 and the Median House-hold income is $25,250?

### Inputs:
table_name: table, columns: ['Rank', 'Place', 'County', 'Per Capita Income', 'Median House- hold Income', 'Median Family Income', 'Population', 'Number of Households']

### Response:
SELECT SUM Population FROM table WHERE Rank > 51 AND Median House- hold Income = $25,250