CREATE TABLE table_75285 ("Series Ep." CLOB, "Episode" FLOAT, "Netflix" CLOB, "Segment A" CLOB, "Segment B" CLOB, "Segment C" CLOB, "Segment D" CLOB)

What is the series episode number with a segment of D, and having fluorescent tubes?
SELECT "Series Ep." FROM table_75285 WHERE "Segment D" = 'fluorescent tubes'
SELECT "Series Ep." FROM "table_75285" WHERE "Segment D" = 'fluorescent tubes'