Name the D 42 for when it has D 49 of r 12
CREATE TABLE table_53303 (
    "D 50 O" text,
    "D 49 \u221a" text,
    "D 48 \u221a" text,
    "D 47 \u221a" text,
    "D 46 \u221a" text,
    "D 45 \u221a" text,
    "D 44 \u221a" text,
    "D 43 \u221a" text,
    "D 42 \u221a" text,
    "D 41 \u221a" text
)
SELECT "D 42 \u221a" FROM table_53303 WHERE "D 49 \u221a" = 'r 12'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the D 42 for when it has D 49 of r 12 ### Input: CREATE TABLE table_53303 (
    "D 50 O" text,
    "D 49 \u221a" text,
    "D 48 \u221a" text,
    "D 47 \u221a" text,
    "D 46 \u221a" text,
    "D 45 \u221a" text,
    "D 44 \u221a" text,
    "D 43 \u221a" text,
    "D 42 \u221a" text,
    "D 41 \u221a" text
) ### Response: SELECT "D 42 \u221a" FROM table_53303 WHERE "D 49 \u221a" = 'r 12'