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_21 (date VARCHAR, margin_of_victory VARCHAR, runner_s__up VARCHAR)
### Question:
What date has a margin of victory of 1 stroke over Greg Kraft?
### Answer:
SELECT date FROM table_name_21 WHERE margin_of_victory = "1 stroke" AND runner_s__up = "greg kraft"