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_12171145_1 (womens_doubles VARCHAR, mixed_doubles VARCHAR)
### Question:
Who was the womens doubles when the mixed doubles is jacco arends selena piek?
### Answer:
SELECT womens_doubles FROM table_12171145_1 WHERE mixed_doubles = "Jacco Arends Selena Piek"