which Cover model has a Centerfold model of jennifer walcott?
CREATE TABLE table_name_77 (
    cover_model VARCHAR,
    centerfold_model VARCHAR
)
SELECT cover_model FROM table_name_77 WHERE centerfold_model = "jennifer walcott"
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: which Cover model has a Centerfold model of jennifer walcott? ### Input: CREATE TABLE table_name_77 (
    cover_model VARCHAR,
    centerfold_model VARCHAR
) ### Response: SELECT cover_model FROM table_name_77 WHERE centerfold_model = "jennifer walcott"