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_75 (yellow_cards INTEGER, season VARCHAR)
### Question:
Which Yellow Cards has a Season of 1999/2000?
### Answer:
SELECT AVG(yellow_cards) FROM table_name_75 WHERE season = "1999/2000"