Name the number of high rebounds for april 21
CREATE TABLE table_17621978_11 (
    high_rebounds VARCHAR,
    date VARCHAR
)
SELECT COUNT(high_rebounds) FROM table_17621978_11 WHERE date = "April 21"
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 number of high rebounds for april 21 ### Input: CREATE TABLE table_17621978_11 (
    high_rebounds VARCHAR,
    date VARCHAR
) ### Response: SELECT COUNT(high_rebounds) FROM table_17621978_11 WHERE date = "April 21"