Question: What episode number is the episode with a segment on Thinning Shears?
SQL: SELECT MIN("Episode") FROM "1-15187735-20" WHERE "Segment A" = 'Thinning Shears';

Question: Which episode has segment D on Custom Motorcycle Tanks?
SQL: SELECT MIN("Episode") FROM "1-15187735-20" WHERE "Segment D" = 'Custom Motorcycle Tanks';

Question: How many segment C are there in the episode where segment D is Bicycle Tires?
SQL: SELECT COUNT("Segment C") FROM "1-15187735-20" WHERE "Segment D" = 'Bicycle Tires';

Question: What is the first episode number?
SQL: SELECT MIN("Episode") FROM "1-15187735-20";