Kitchen knives is segment a of what episode? 
CREATE TABLE table_15187735_5 (episode VARCHAR, segment_a VARCHAR)
SELECT episode FROM table_15187735_5 WHERE segment_a = "Kitchen Knives"
### Context: CREATE TABLE table_15187735_5 (episode VARCHAR, segment_a VARCHAR) ### Question: Kitchen knives is segment a of what episode?  ### Answer: SELECT episode FROM table_15187735_5 WHERE segment_a = "Kitchen Knives"