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 | Time (UTC) | Epicenter | Magnitude | Depth | Intensity |
| --- | --- | --- | --- | --- | --- |
| October 3, 2004* | 09:02 | Tulcea County | 5.0 M b | 2km | VII (Damaging) |
| October 27, 2004* | 20:34 | Vrancea County | 6.0 M w | 76km | F (Felt) |
| May 14, 2005* | 01:53 | Buzău County | 5.1 M b | 144km | Unknown |
| May 14, 2005 | 06:36 | Vrancea County | 4.6 M L | 140km | Unknown |
| June 18, 2005* | 15:16 | Vrancea County | 5.0 M b | 135km | F (Felt) |
| September 8, 2005 | 16:35 | Buzău County | 4.8 M b | 137km | Unknown |
| October 22, 2005 | 08:40 | Galați County | 4.5 M L | 190km | Unknown |
| October 26, 2005 | 22:51 | Vrancea County | 4.7 M L | 142km | Unknown |
| December 13, 2005* | 12:14 | Vrancea County | 5.0 M b | 144km | F (Felt) |
| March 6, 2006 | 10:40 | Vrancea County | 4.5 M b | 145km | F (Felt) |
| January 17, 2007 | 13:17 | Buzău County | 4.5 M b | 120km | III (Weak) |
| September 6, 2008 | 19:48 | Vrancea County | 4.6 M L | 25km | I (Not felt) |
| April 25, 2009* | 17:18 | Vrancea County | 5.3 M b | 96km | V (Strong) |
| June 8, 2010 | 15:16 | Buzău County | 4.5 M L | 110km | V (Strong) |
| September 30, 2010 | 05:31 | Vrancea County | 4.5 M b | 135km | III (Weak) |
| May 1, 2011 | 02:24 | Buzău County | 4.7 M b | 150km | IV (Largely observed) |
| October 4, 2011 | 02:40 | Buzău County | 4.8 M b | 150km | IV (Largely observed) |
| July 6, 2012 | 22:48 | Vrancea County | 4.5 M b | 113km | V (Strong) |
| December 1, 2012 | 20:52 | Vrancea County | 4.6 M b | 78km | V (Strong) |
| December 3, 2012 | 18:58 | Black Sea | 4.8 M b | 2km | V (Strong) |
| September 8, 2013 | 13:22 | Hunedoara County | 4.7 M b | 2km | V (Strong) |
| October 6, 2013* | 01:37 | Vrancea County | 5.5 M w | 134km | V (Strong) |
| October 15, 2013 | 19:33 | Vrancea County | 4.7 M w | 136km | V (Strong) |
Question:
What is the magnitude with epicenter at Vrancea County, unknown intensity and which happened at 06:36?
Answer:
4.6 M L