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:
| Heat | Lane | Name | Country | Mark | React |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 6.0 | Dwain Chambers | United Kingdom | 6.55 PB | 0.16 |
| 1.0 | 7.0 | Isaac Uche | Nigeria | 6.65 | 0.144 |
| 1.0 | 5.0 | Francis Obikwelu | Portugal | 6.66 SB | 0.242 |
| 1.0 | 8.0 | Amr Ibrahim Mostafa Seoud | Egypt | 6.69 NR | 0.134 |
| 1.0 | 2.0 | Ihor Bodrov | Ukraine | 6.71 | 0.153 |
| 1.0 | 3.0 | Simone Collio | Italy | 6.74 | 0.25 |
| 1.0 | 4.0 | Leroy Dixon | United States | 6.75 | 0.295 |
| 1.0 | 1.0 | Henry Vixcaíno | Cuba | 6.77 | 0.276 |
| 2.0 | 3.0 | Michael Rodgers | United States | 6.54 PB | 0.117 |
| 2.0 | 5.0 | Vicente de Lima | Brazil | 6.59 | 0.145 |
| 2.0 | 4.0 | Kim Collins | Saint Kitts and Nevis | 6.61 | 0.214 |
| 2.0 | 6.0 | Simeon Williamson | United Kingdom | 6.63 | 0.155 |
| 2.0 | 8.0 | Martial Mbandjock | France | 6.65 PB | 0.141 |
| 2.0 | 1.0 | Fabio Cerutti | Italy | 6.69 | 0.146 |
| 2.0 | 2.0 | Kael Becerra | Chile | 6.80 | 0.147 |
| 2.0 | 7.0 | Adrian Durant | United States Virgin Islands | 6.86 | 0.234 |
| 3.0 | 6.0 | Olusoji Fasuba | Nigeria | 6.51 WL | 0.15 |
| 3.0 | 7.0 | Andrey Yepishin | Russia | 6.60 SB | 0.103 |
| 3.0 | 5.0 | Yhann Plummer | Jamaica | 6.65 PB | 0.166 |
| 3.0 | 2.0 | Marius Broening | Germany | 6.67 | 0.137 |
| 3.0 | 4.0 | Ángel David Rodríguez | Spain | 6.70 | 0.176 |
| 3.0 | 8.0 | Maarten Heisen | Netherlands | 6.71 | 0.157 |
| 3.0 | 1.0 | Dmytro Hlushchenko | Ukraine | 6.72 | 0.239 |
| 3.0 | 3.0 | Brendan Christian | Antigua and Barbuda | 6.72 | 0.18 |
Question:
What is Heat, when Mark is 6.69?
Answer:
2.0