CREATE TABLE table_19891 ("Series Ep." TEXT, "Episode" FLOAT, "Netflix" TEXT, "Segment A" TEXT, "Segment B" TEXT, "Segment C" TEXT, "Segment D" TEXT)

What was segment C when segment B was package printing?
SELECT "Segment C" FROM table_19891 WHERE "Segment B" = 'Package printing'
SELECT "Segment C" FROM "table_19891" WHERE "Segment B" = 'Package printing'