How many times did Roy Emerson win the Australian Open?
CREATE TABLE table_197638_6 (
    australian_open VARCHAR,
    player VARCHAR
)
SELECT COUNT(australian_open) FROM table_197638_6 WHERE player = "Roy Emerson"
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: How many times did Roy Emerson win the Australian Open? ### Input: CREATE TABLE table_197638_6 (
    australian_open VARCHAR,
    player VARCHAR
) ### Response: SELECT COUNT(australian_open) FROM table_197638_6 WHERE player = "Roy Emerson"