CREATE TABLE table_19938 ("Series Ep." CLOB, "Episode" FLOAT, "Netflix" CLOB, "Segment A" CLOB, "Segment B" CLOB, "Segment C" CLOB, "Segment D" CLOB)

Name the segment c for pottery
SELECT "Segment C" FROM table_19938 WHERE "Segment B" = 'Pottery'
SELECT "Segment C" FROM "table_19938" WHERE "Segment B" = 'Pottery'