CREATE TABLE table_name_74 (win__percentage INT, year VARCHAR, crew VARCHAR)

What is the total of win percentages when the year is 2008 and the crew is varsity 8+?
SELECT SUM(win__percentage) FROM table_name_74 WHERE year = "2008" AND crew = "varsity 8+"
SELECT SUM("win__percentage") FROM "table_name_74" WHERE "2008" = "year" AND "crew" = "varsity 8+"