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:
| Class | Weapon | Caliber | Type | Weight (g) | Range (m) | Velocity (m/s) | Impact Energy | Shots |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| BR1 | Handgun/Rifle | .22 LR | LB/RN | 2,6 ± 0,1 | 10,00 ± 0,5 | 360 ± 10 | 170 J | 3.0 |
| BR2 | Handgun | 9x19mm Parabellum | FJ/RN/SC | 8,0 ± 0,1 | 5,00 ± 0,5 | 400 ± 10 | 640 J | 3.0 |
| BR3 | Handgun | .357 Magnum | FJ/CB/SC | 10,2 ± 0,1 | 5,00 ± 0,5 | 430 ± 10 | 940 J | 3.0 |
| BR4 | Handgun | .44 Magnum | FJ/FN/SC | 15,6 ± 0,1 | 5,00 ± 0,5 | 440 ± 10 | 1510 J | 3.0 |
| BR5 | Rifle | 5.56x45mm NATO | FJ/PB/SCP | 4,0 ± 0,1 | 10,00 ± 0,5 | 950 ± 10 | 1800 J | 3.0 |
| BR6 | Rifle | 7.62x51mm NATO | FJ/PB/SC | 9,5 ± 0,1 | 10,00 ± 0,5 | 830 ± 10 | 3270 J | 3.0 |
Question:
How many calibers require the type LB/RN?
Answer:
1.0