SELECT "D 42 \u221a" FROM table_54084 WHERE "D 43 \u221a" = 'r 5'
What's the D 42 when D 43 is r 5?
CREATE TABLE table_54084 (
    "D 39 \u221a" text,
    "D 40 \u221a" text,
    "D 41 \u221a" text,
    "D 42 \u221a" text,
    "D 43 \u221a" text,
    "D 44 \u221a" text,
    "D 45 \u221a" text,
    "D 46 \u221a" text,
    "D 47 \u221a" text,
    "D 48 \u221a" text
)