What is the Pinyin for the item that has a density of 77?
CREATE TABLE table_name_65 (
    hanyu_pinyin VARCHAR,
    density___km²_ VARCHAR
)
SELECT hanyu_pinyin FROM table_name_65 WHERE density___km²_ = "77"
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 is the Pinyin for the item that has a density of 77? ### Input: CREATE TABLE table_name_65 (
    hanyu_pinyin VARCHAR,
    density___km²_ VARCHAR
) ### Response: SELECT hanyu_pinyin FROM table_name_65 WHERE density___km²_ = "77"