how many segments involve wood boring augers
CREATE TABLE table_15187735_17 (
    segment_a VARCHAR,
    segment_d VARCHAR
)
SELECT segment_a FROM table_15187735_17 WHERE segment_d = "Wood Boring Augers"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: how many segments involve wood boring augers ### Input: CREATE TABLE table_15187735_17 (
    segment_a VARCHAR,
    segment_d VARCHAR
) ### Response: SELECT segment_a FROM table_15187735_17 WHERE segment_d = "Wood Boring Augers"