CREATE TABLE table_38334 ("Year" TEXT, "Coach" TEXT, "Crew" TEXT, "Record" TEXT, "Win %" FLOAT)

What is the total of win percentages when the year is 2008 and the crew is varsity 8+?
SELECT SUM("Win %") FROM table_38334 WHERE "Year" = '2008' AND "Crew" = 'varsity 8+'
SELECT SUM("Win %") FROM "table_38334" WHERE "Crew" = 'varsity 8+' AND "Year" = '2008'