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 (YYYY-MM-DD) | Time (UTC) | Latitude | Longitude | Depth | Magnitude |
| --- | --- | --- | --- | --- | --- |
| 1997-09-26 | 0:33:12 | 43.048° N | 12.879° E | km (mi) | 5.7 (M w ) |
| 1997-09-26 | 11:40:26 | 43.084° N | 12.812° E | km (mi) | 6.1 (M w ) |
| 1997-09-26 | 9:47:38 | 43.163° N | 12.752° E | km (mi) | 4.7 (M L ) |
| 1997-10-03 | 8:55:21 | 43.075° N | 12.794° E | km (mi) | 5.3 (M w ) |
| 1997-10-06 | 23:24:52 | 43.045° N | 12.835° E | km (mi) | 5.5 (M w ) |
| 1997-10-12 | 11:08:36 | 42.901° N | 12.897° E | km (mi) | 5.3 (M L ) |
| 1997-10-14 | 15:23:10 | 42.962° N | 12.892° E | km (mi) | 5.6 (M L ) |
| 1997-11-09 | 19:07:33 | 42.903° N | 12.948° E | km (mi) | 5.0 (M L ) |
| 1998-03-26 | 16:26:11 | 43.255° N | 12.969° E | km (mi) | 5.4 (M w ) |
| 1998-04-03 | 7:26:36 | 43.164° N | 12.701° E | km (mi) | 5.2 (M w ) |
Question:
When 42.903° n is the latitude how many measurements of longitude are there?
Answer:
1.0