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_74 (win__percentage INTEGER, year VARCHAR, crew VARCHAR)
### Question:
What is the total of win percentages when the year is 2008 and the crew is varsity 8+?
### Answer:
SELECT SUM(win__percentage) FROM table_name_74 WHERE year = "2008" AND crew = "varsity 8+"