What is the average number of events of PGA Championship tournaments with a top-5 less than 0?
CREATE TABLE table_name_27 (
    events INTEGER,
    top_5 VARCHAR,
    top_10 VARCHAR,
    tournament VARCHAR
)
SELECT AVG(events) FROM table_name_27 WHERE top_10 = 0 AND tournament = "pga championship" AND top_5 < 0
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 number of events of PGA Championship tournaments with a top-5 less than 0? ### Input: CREATE TABLE table_name_27 (
    events INTEGER,
    top_5 VARCHAR,
    top_10 VARCHAR,
    tournament VARCHAR
) ### Response: SELECT AVG(events) FROM table_name_27 WHERE top_10 = 0 AND tournament = "pga championship" AND top_5 < 0