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 | U.S. viewers (million) |
| --- | --- | --- | --- | --- | --- | --- |
| 11.0 | 1.0 | "The Key" | Nicole Holofcener | Mike White | January13,2013 | 0.30 |
| 12.0 | 2.0 | "Revenge Play" | Mike White | Mike White | January20,2013 | 0.20 |
| 13.0 | 3.0 | "Higher Power" | Mike White | Mike White | January27,2013 | 0.25 |
| 14.0 | 4.0 | "Follow Me" | Mike White | Mike White | February2,2013 | 0.20 |
| 15.0 | 5.0 | "The Ghost Is Seen" | James Bobin | Mike White | February10,2013 | 0.22 |
| 16.0 | 6.0 | "All I Ever Wanted" | Todd Haynes | Mike White | February17,2013 | 0.27 |
| 17.0 | 7.0 | "No Doubt" | David Michôd | Mike White | February24,2013 | 0.13 |
Question:
how many episodes in the serie were title "the key"
Answer:
1.0