Who was the opponent when the Phillies played on April 28?
CREATE TABLE table_name_77 (
    opponent VARCHAR,
    date VARCHAR
)
SELECT opponent FROM table_name_77 WHERE date = "april 28"
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: Who was the opponent when the Phillies played on April 28? ### Input: CREATE TABLE table_name_77 (
    opponent VARCHAR,
    date VARCHAR
) ### Response: SELECT opponent FROM table_name_77 WHERE date = "april 28"