CREATE TABLE table_71558 ("D 48" TEXT, "D 47" TEXT, "D 46" TEXT, "D 45" TEXT, "D 44" TEXT, "D 43" TEXT, "D 42" TEXT, "D 41" TEXT)

What is the D45 associated with a D42 of r 22?
SELECT "D 45" FROM table_71558 WHERE "D 42" = 'r 22'
SELECT "D 45" FROM "table_71558" WHERE "D 42" = 'r 22'