CREATE TABLE table_70951 ("D 47 +" TEXT, "D 46 +" TEXT, "D 45 +" TEXT, "D 44 +" TEXT, "D 43 O" TEXT, "D 42 O" TEXT, "D 41 \\u221a" TEXT, "D 40 \\u221a" TEXT)

Name the D 41 for having D 43 of r 13
SELECT "D 41 \u221a" FROM table_70951 WHERE "D 43 O" = 'r 13'
SELECT "D 41 \u221a" FROM "table_70951" WHERE "D 43 O" = 'r 13'