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_20 (episode INTEGER, segment_a VARCHAR)
### Question:
What episode number is the episode with a segment on thinning shears?
### Answer:
SELECT MIN(episode) FROM table_15187735_20 WHERE segment_a = "Thinning Shears"