CREATE TABLE table_19925 ("Series Ep." TEXT, "Episode" FLOAT, "Netflix" TEXT, "Segment A" TEXT, "Segment B" TEXT, "Segment C" TEXT, "Segment D" TEXT)

What is the last episode which has segment d as blown glass?
SELECT MAX("Episode") FROM table_19925 WHERE "Segment D" = 'Blown Glass'
SELECT MAX("Episode") FROM "table_19925" WHERE "Segment D" = 'Blown Glass'