what's the estimated value where cover date is august 1962
CREATE TABLE table_451 (
    "Character(s)" text,
    "First Appearance" text,
    "Cover Date" text,
    "Publisher" text,
    "Estimated Value" text
)
SELECT "Estimated Value" FROM table_451 WHERE "Cover Date" = 'August 1962'
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: what's the estimated value where cover date is august 1962 ### Input: CREATE TABLE table_451 (
    "Character(s)" text,
    "First Appearance" text,
    "Cover Date" text,
    "Publisher" text,
    "Estimated Value" text
) ### Response: SELECT "Estimated Value" FROM table_451 WHERE "Cover Date" = 'August 1962'