How many episode numbers had US viewership of 4.26 million?
CREATE TABLE table_30086 (
    "\u2116" real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (million)" text
)
SELECT COUNT("\u2116") FROM table_30086 WHERE "U.S. viewers (million)" = '4.26'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many episode numbers had US viewership of 4.26 million? ### Input: CREATE TABLE table_30086 (
    "\u2116" real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (million)" text
) ### Response: SELECT COUNT("\u2116") FROM table_30086 WHERE "U.S. viewers (million)" = '4.26'