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) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 51 | 1 | " iThink They Kissed " | Adam Weissman | Steve Holland | September12,2009 | 227 | 7.6 |
| 52 | 2 | " iCook " | Roger Christiansen | Dan Schneider | September19,2009 | 228 | 3.8 |
| 53 | 3 | " iSpeed Date " | Russ Reinsel | Andrew Hill Newman | September26,2009 | 230 | 4.7 |
| 54 | 4 | " iCarly Awards " | Steve Hoefer | Andrew Hill Newman | October3,2009 | 223 | 4.4 |
| 55 | 5 | " iHave My Principals " | David Kendall | Matt Fleckenstein | October17,2009 | 229 | 4.7 |
| 56 | 6 | " iFind Lewbert's Lost Love " | David Kendall | Matt Fleckenstein | November14,2009 | 236 | 5.0 |
| 57 | 7 | " iMove Out " | Steve Hoefer | Arthur Gradstein | November28,2009 | 241 | 5.7 |
| 58–59 | 8–9 | "iQuit iCarly" | Steve Hoefer | Dan Schneider | December5,2009 | 233–234 | 8.8 |
| 61 | 11 | " iWas a Pageant Girl " | Adam Weissman | Andrew Hill Newman | January29,2010 | 237 | 5.2 |
| 62 | 12 | " iEnrage Gibby " | Jonathan Goldstein | Jake Farrow | February5,2010 | 235 | 4.8 |
| 63 | 13 | " iSpace Out " | Russ Reinsel | Jake Farrow | March5,2010 | 239 | 5.3 |
| 64 | 14 | " iFix a Pop Star " | Steve Hoefer | Matt Fleckenstein | March19,2010 | 231 | 3.8 |
| 65 | 15 | " iBloop " | Steve Hoefer | Dan Schneider | April17,2010 | 245 | 4.3 |
| 66 | 16 | " iWon't Cancel the Show " | Steve Hoefer | Eric Goldberg & Peter Tibbals | May1,2010 | 238 | 4.9 |
| 67 | 17 | " iBelieve in Bigfoot " | Steve Hoefer | Dan Schneider | May8,2010 | 240 | 4.4 |
| 68–69 | 18–19 | "iPsycho" | Steve Hoefer | Dan Schneider & Ben Huebscher | June4,2010 | 243–244 | 7.5 |
Question:
When there are 5.2 million u.s. viewers how many numbers in series are there?
Answer:
1.0