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:
| Name | Location | Years as tallest | Height metres / ft | Floors |
| --- | --- | --- | --- | --- |
| St Philip's Cathedral | Colmore Row | 1725–1777 | 01.0 40 / 131 | 03.0 N/A |
| Church of SS Peter and Paul | Aston | 1777–1855 | 02.0 57.9 / 190 | 04.0 N/A |
| St Martin in the Bull Ring | The Bull Ring | 1855–1908 | 02.0 61 / 200 | 04.0 N/A |
| Joseph Chamberlain Memorial Clock Tower | University of Birmingham | 1908–1966 | 02.0 110 / 360 | 04.0 N/A |
| BT Tower | Jewellery Quarter | 1966–Present | 02.0 152 / 498 | 04.0 N/A |
Question:
How many floors did the tallest building in Aston have?
Answer:
04.0 N/A