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:
| Order | Name dates | Princess Royal from (date) to (date) | Parent | Date married | Husband dates |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Mary, Princess Royal 1631–1660 | 1642–1660 | Charles I 1600–1649 | 1641 | William II, Prince of Orange 1626–1650 |
| 2.0 | Anne, Princess Royal 1709–1759 | 1727–1759 | George II 1683–1760 | 1734 | William IV, Prince of Orange 1711–1751 |
| 3.0 | Charlotte, Princess Royal 1766–1828 | 1789–1828 | George III 1738–1820 | 1797 | King Frederick I of Württemberg 1754–1816 |
| 4.0 | Victoria, Princess Royal 1840–1901 | 1841–1901 | Victoria 1819–1901 | 1858 | Frederick III, German Emperor 1831–1888 |
| 5.0 | Louise, Princess Royal 1867–1931 | 1905–1931 | Edward VII 1841–1910 | 1889 | Alexander Duff, 1st Duke of Fife 1849–1912 |
| 6.0 | Mary, Princess Royal 1897–1965 | 1932–1965 | George V 1865–1936 | 1922 | Henry Lascelles, 6th Earl of Harewood 1882–1947 |
| 7.0 | Anne, Princess Royal 1950– | 1987–present | Elizabeth II 1926– | 1973–1992 | Mark Phillips 1948- |
| 7.0 | Anne, Princess Royal 1950– | 1987–present | Elizabeth II 1926– | 1992 | Sir Timothy Laurence 1955– |
Question:
Who was the husband date that was married in 1858?
Answer:
Frederick III, German Emperor 1831–1888