Question: What is the Segment A entry for the episode that has an entry of Diesel Filters for Segment D?
SQL: SELECT "Segment A" FROM "2-15187735-21" WHERE "Segment D" = 'Diesel Filters';

Question: What is the series episode number that is larger than 262 and has a Segment A entry of Aluminium s Canoe?
SQL: SELECT "Series Ep." FROM "2-15187735-21" WHERE "Episode" > 262.0 AND "Segment A" = 'Aluminium s Canoe';