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:
| Date | Event | Duration\n(months) | Duration\n(years) |
| --- | --- | --- | --- |
| 1927 | Experiment set up |  |  |
| 1930 | The stem was cut |  |  |
| December 1938 | 1st drop fell | 96–107 | 8.0–8.9 |
| February 1947 | 2nd drop fell | 99 | 8.2 |
| April 1954 | 3rd drop fell | 86 | 7.2 |
| May 1962 | 4th drop fell | 97 | 8.1 |
| August 1970 | 5th drop fell | 99 | 8.3 |
| April 1979 | 6th drop fell | 104 | 8.7 |
| July 1988 | 7th drop fell | 111 | 9.2 |
| 28 November 2000 | 8th drop fell | 148 | 12.3 |
Question:
when did the second drop in the experiment fall?
Answer:
February 1947