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_15187735_17 (segment_a VARCHAR, segment_d VARCHAR)
### Question:
how many segments involve wood boring augers
### Answer:
SELECT segment_a FROM table_15187735_17 WHERE segment_d = "Wood Boring Augers"