CREATE TABLE table_30086 ("\\u2116" FLOAT, "#" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( million ) " CLOB)

How many episode numbers had US viewership of 4.26 million?
SELECT COUNT("\u2116") FROM table_30086 WHERE "U.S. viewers (million)" = '4.26'
SELECT COUNT("\u2116") FROM "table_30086" WHERE "U.S. viewers (million)" = '4.26'