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:
| Episode Number | Episode | Rating | Share | Rating/Share (18-49) | Viewers (millions) | Rank (Timeslot) | Rank (Night) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | "And Jill Came Tumbling After" | 3.5 | 6.0 | 1.3/4 | 5.17 | 2.0 | 3.0 |
| 2.0 | "Mary Mary Quite Contrary" | 3.3 | 4.0 | 1.1/3 | 3.63 | 4.0 | 7.0 |
| 3.0 | "Liar, Liar, Pants on Fire" | 2.0 | 3.0 | 0.8/2 | 3.00 | 4.0 | 15.0 |
| 4.0 | "Where Have You Been, Charming Billy?" | 2.1 | 4.0 | 0.7/2 | 3.16 | 4.0 | 14.0 |
| 5.0 | "Yes, Sir, Yes, Sir, Three Bags Full" | 2.1 | 3.0 | 0.6/2 | 3.10 | 4.0 | 14.0 |
| 6.0 | "Birds of a Feather Flock Together" | 2.0 | 3.0 | 0.7/2 | 3.22 | 4.0 | 13.0 |
| 7.0 | "That's the Way the Money Goes" | 2.1 | 3.0 | 0.8/2 | 3.33 | 4.0 | 14.0 |
Question:
How many episodes had rating/share (18-49) of 0.7/2 and a rating of 2.1?
Answer:
1.0