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:
| Rank | Lane | Athlete | Nationality | Time | React |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 5.0 | Brendan Christian | Antigua and Barbuda | 20.26 | 0.166 |
| 2.0 | 8.0 | Churandy Martina | Netherlands Antilles | 20.42 | 0.155 |
| 3.0 | 9.0 | Kristof Beyens | Belgium | 20.5 | 0.155 |
| 4.0 | 6.0 | Marcin Jędrusiński | Poland | 20.58 | 0.199 |
| 5.0 | 4.0 | Aaron Armstrong | Trinidad and Tobago | 20.58 | 0.155 |
| 6.0 | 7.0 | Obinna Metu | Nigeria | 20.65 | 0.195 |
| 7.0 | 2.0 | Sandro Viana | Brazil | 21.07 | 0.168 |
| 8.0 | 3.0 | Marc Schneeberger | Switzerland | 21.48 | 0.156 |
Question:
Which Lane has a Time larger than 20.5, and a Nationality of trinidad and tobago?
Answer:
4.0