CREATE TABLE table_36904 ("Name" TEXT, "GP-GS" TEXT, "Gain" FLOAT, "Loss" FLOAT, "Long" FLOAT, "Avg/G" FLOAT)

What is the sum of Long for derrick locke?
SELECT SUM("Long") FROM table_36904 WHERE "Name" = 'derrick locke'
SELECT SUM("Long") FROM "table_36904" WHERE "Name" = 'derrick locke'