Which episode has segment D on custom motorcycle tanks?
CREATE TABLE table_15187735_20 (episode INTEGER, segment_d VARCHAR)
SELECT MIN(episode) FROM table_15187735_20 WHERE segment_d = "Custom Motorcycle Tanks"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15187735_20 (episode INTEGER, segment_d VARCHAR) Question: Which episode has segment D on custom motorcycle tanks? [/INST] SELECT MIN(episode) FROM table_15187735_20 WHERE segment_d = "Custom Motorcycle Tanks" </s>