Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_70 (score INTEGER, champion VARCHAR)
### Question:
What is Joanne Carner's average score in Canadian Women's Open games that she has won?
### Answer:
SELECT AVG(score) FROM table_name_70 WHERE champion = "joanne carner"