Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| No. in series | No. in season | Title | Directed by | Written by | Original air date | Production code | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 27.0 | 1.0 | "Charlie is 2!" | Bob Koherr | Erika Kaestle & Patrick McCarthy | February20,2011 | 202.0 | 4.2 |
| 28.0 | 2.0 | "Something's Fishy" | Bob Koherr | Christopher Vane | February27,2011 | 203.0 | 3.4 |
| 29.0 | 3.0 | "Let's Potty" | Bob Koherr | Phil Baker & Drew Vaupen | March6,2011 | 201.0 | 4.1 |
| 30.0 | 4.0 | "Appy Days" | Bob Koherr | Phil Baker & Drew Vaupen | March13,2011 | 208.0 | 3.1 |
| 31.0 | 5.0 | "Duncan vs. Duncan" | Tommy Thompson | Dan Staley | March20,2011 | 204.0 | 3.3 |
| 32.0 | 6.0 | "A L.A.R.P. in the Park" | Bob Koherr | Ellen Byron & Lissa Kapstrom | March27,2011 | 206.0 | 3.7 |
| 33.0 | 7.0 | "Battle of the Bands" | Bob Koherr | Tom Anderson | April3,2011 | 209.0 | 2.8 |
| 34.0 | 8.0 | "The Singin' Dancin' Duncans" | Bob Koherr | Jim Gerkin | April10,2011 | 205.0 | 3.5 |
| 35.0 | 9.0 | "Teddy's Bear" | Bob Koherr | Christopher Vane | April15,2011 | 210.0 | 3.6 |
| 36.0 | 10.0 | "Meet the Parents" | Bob Koherr | Erika Kaestle & Patrick McCarthy | May1,2011 | 211.0 | 3.2 |
| 37.0 | 11.0 | "Gabe's 12-½ Birthday" | Bob Koherr | Jim Gerkin | May8,2011 | 212.0 | N/A |
| 38.0 | 12.0 | "The Break Up" | Bob Koherr | Phil Baker & Drew Vaupen | May15,2011 | 213.0 | N/A |
| 39.0 | 13.0 | "Charlie Shakes It Up" | Joel Zwick | Christopher Vane | June5,2011 | 215.0 | 4.0 |
| 40.0 | 14.0 | "Baby's New Shoes" | Bob Koherr | Ellen Byron & Lissa Kapstrom | June12,2011 | 207.0 | 3.1 |
| 41.0 | 15.0 | "Bye Bye Video Diary" | Phill Lewis | Erika Kaestle & Patrick McCarthy | June19,2011 | 216.0 | 4.1 |
| 42.0 | 16.0 | "Monkey Business" | Bob Koherr | Dan Staley | June26,2011 | 214.0 | 3.0 |
| 43.0 | 17.0 | "PJ in the City" | Bob Koherr | Phil Baker & Drew Vaupen | July10,2011 | 219.0 | 3.5 |
| 44.0 | 18.0 | "Sun Show"(Part 1) | Bob Koherr | Christopher Vane | July24,2011 | 221.0 | 4.9 |
| 45.0 | 19.0 | "Sun Show"(Part 2) | Bob Koherr | Erika Kaestle & Patrick McCarthy | July31,2011 | 222.0 | 4.1 |
| 46.0 | 20.0 | "Amazing Gracie" | Bob Koherr | Jim Gerkin | August7,2011 | 217.0 | 3.8 |
| 47.0 | 21.0 | "Termite Queen" | Bob Koherr | Dan Staley | August21,2011 | 220.0 | 3.4 |
| 48.0 | 22.0 | "The Bob Duncan Experience" | Bob Koherr | Samantha Silver | August28,2011 | 218.0 | 3.1 |
| 49.0 | 23.0 | "Ditch Day" | Phill Lewis | Christopher Vane | September11,2011 | 225.0 | 3.2 |
| 50.0 | 24.0 | "Alley Oops" | Tommy Thompson | Jim Gerkin | September25,2011 | 223.0 | 3.0 |
| 51.0 | 25.0 | "Scary Had a Little Lamb" | Shannon Flynn | Phil Baker & Drew Vaupen | October9,2011 | 224.0 | 4.5 |
| 52.0 | 26.0 | "Return to Super Adventure Land" | Bob Koherr | Erika Kaestle & Patrick McCarthy | October23,2011 | 227.0 | 3.3 |
| 53.0 | 27.0 | "Can You Keep a Secret?" | Bob Koherr | Phil Baker & Drew Vaupen | November6,2011 | 230.0 | 4.6 |
| 54.0 | 28.0 | "Story Time" | Phill Lewis | Aaron Ho | November13,2011 | 226.0 | 3.1 |
| 55.0 | 29.0 | "It's a Charlie Duncan Thanksgiving" | Bob Koherr | Jim Gerkin | November20,2011 | 228.0 | 4.1 |
Question:
what number is us viewers in season 12?
Answer:
N/A