Question: how many segments involve Wood Boring Augers
SQL: SELECT "Segment A" FROM "1-15187735-17" WHERE "Segment D" = 'Wood Boring Augers';

Question: for the shows featuring Beet Sugar, what was on before that
SQL: SELECT "Segment B" FROM "1-15187735-17" WHERE "Segment C" = 'Beet Sugar';

Question: are Rolled Wafers in many episodes
SQL: SELECT "Series Ep." FROM "1-15187735-17" WHERE "Segment A" = 'Rolled Wafers';