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. overall | No. for series | Title | Directed by | Written by | Original air date | UK viewers (million) |
| --- | --- | --- | --- | --- | --- | --- |
| 27.0 | 1.0 | "The Tears of Uther Pendragon (Part 1)" | Jeremy Webb | Julian Jones | 11September2010 | 6.49 |
| 28.0 | 2.0 | "The Tears of Uther Pendragon (Part 2)" | Jeremy Webb | Julian Jones | 18September2010 | 6.06 |
| 29.0 | 3.0 | "Goblin's Gold" | Jeremy Webb | Howard Overman | 25September2010 | 6.22 |
| 30.0 | 4.0 | "Gwaine" | David Moore | Julian Jones | 2October2010 | 6.42 |
| 31.0 | 5.0 | "The Crystal Cave" | Alice Troughton | Julian Jones | 9October2010 | 6.36 |
| 32.0 | 6.0 | "The Changeling" | David Moore | Lucy Watkins | 16October2010 | 6.40 |
| 33.0 | 7.0 | "The Castle of Fyrien" | David Moore | Jake Michie | 23October2010 | 6.82 |
| 34.0 | 8.0 | "The Eye of the Phoenix" | Alice Troughton | Julian Jones | 30October2010 | 6.92 |
| 35.0 | 9.0 | "Love in the Time of Dragons" | Alice Troughton | Jake Michie | 6November2010 | 6.90 |
| 36.0 | 10.0 | "Queen of Hearts" | Ashley Way | Howard Overman | 13November2010 | 7.37 |
| 37.0 | 11.0 | "The Sorcerer's Shadow" | Ashley Way | Julian Jones | 20November2010 | 7.42 |
| 38.0 | 12.0 | "The Coming of Arthur (Part 1)" | Jeremy Webb | Jake Michie | 27November2010 | 7.12 |
Question:
What dat did "The changeling" originally air?
Answer:
16October2010