CREATE TABLE table_33689 ("Name" TEXT, "Bullet" TEXT, "Length" TEXT, "Base" TEXT, "Shoulder" TEXT, "Neck" TEXT)

What is the shoulder measurement of the gun with a length of 57.85 (2.278)?
SELECT "Shoulder" FROM table_33689 WHERE "Length" = '57.85 (2.278)'
SELECT "Shoulder" FROM "table_33689" WHERE "Length" = '57.85 (2.278)'