Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_33 (comp INTEGER, comp_percentage VARCHAR, att VARCHAR)
### Question:
What is the sum of completions that led to completion percentages of 65.4 and attempts under 451?
### Answer:
SELECT SUM(comp) FROM table_name_33 WHERE comp_percentage = 65.4 AND att < 451