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

### Instruction:
What si the total sample size at rasmussen reports when the margin of error was bigger than 4.5?

### Inputs:
table_name: table, columns: ['Poll Source', 'Sample Size', 'Margin of Error', 'Date', 'Democrat', 'Republican']

### Response:
SELECT COUNT Sample Size FROM table WHERE Poll Source = rasmussen reports AND Margin of Error > 4.5