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:
| Year | Number of tropical storms | Number of hurricanes | Number of major hurricanes | Deaths | Strongest storm |
| --- | --- | --- | --- | --- | --- |
| 1860.0 | 1.0 | 5.0 | 1.0 | 60+ | One |
| 1861.0 | 2.0 | 6.0 | 0.0 | 22+ | One and Three |
| 1862.0 | 3.0 | 3.0 | 0.0 | 3 | Two and Three |
| 1863.0 | 4.0 | 5.0 | 0.0 | 90 | One, Two, Three & Four |
| 1864.0 | 2.0 | 3.0 | 0.0 | None | One, Three & Five |
| 1865.0 | 4.0 | 3.0 | 0.0 | 326 | Four & Seven |
| 1866.0 | 1.0 | 5.0 | 1.0 | 383 | Six |
| 1867.0 | 2.0 | 6.0 | 0.0 | 811 | 'San Narciso' |
| 1868.0 | 1.0 | 3.0 | 0.0 | 2 | One, Two & Four |
Question:
What is the largest overall number of major hurricanes?
Answer:
1.0