SCHEMA:
CREATE TABLE table_name_59 (sample_size VARCHAR, poll_source VARCHAR, margin_of_error VARCHAR)
USER:
What si the total sample size at rasmussen reports when the margin of error was bigger than 4.5?

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