Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_59 ( sample_size VARCHAR, poll_source VARCHAR, margin_of_error VARCHAR )

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

### Accurate SQL ###

SELECT COUNT(sample_size) FROM table_name_59 WHERE poll_source = "rasmussen reports" AND margin_of_error > 4.5