What is the average Frequency, when Type is 'Norte o', and when Brand is 'La Cotorra'?
CREATE TABLE table_name_87 (
    frequency INTEGER,
    type VARCHAR,
    brand VARCHAR
)
SELECT AVG(frequency) FROM table_name_87 WHERE type = "norteño" AND brand = "la cotorra"
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 average Frequency, when Type is 'Norte o', and when Brand is 'La Cotorra'? ### Input: CREATE TABLE table_name_87 (
    frequency INTEGER,
    type VARCHAR,
    brand VARCHAR
) ### Response: SELECT AVG(frequency) FROM table_name_87 WHERE type = "norteño" AND brand = "la cotorra"