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:
| String | Scientific pitch | Helmholtz pitch | Interval from middle C | Frequency ( Hz ) |
| --- | --- | --- | --- | --- |
| 1st | E 4 | e' | major third above | 329.63 |
| 2nd | B 3 | b | minor second below | 246.94 |
| 3rd | G 3 | g | perfect fourth below | 196.0 |
| 4th | D 3 | d | minor seventh below | 146.83 |
| 5th | A 2 | A | minor tenth below | 110.0 |
| 6th | E 2 | E | minor thirteenth below | 82.41 |
Question:
What is the scientific pitch when the Helmholtz pitch is D?
Answer:
D 3