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_4 (season VARCHAR, european_cup VARCHAR, national_cup VARCHAR)
### Question:
Which season is Euroleague with Greek Cup?
### Answer:
SELECT season FROM table_name_4 WHERE european_cup = "euroleague" AND national_cup = "greek cup"