Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
List of ambassadors of the United States to Morocco
Table title:
Heads of the U.S. Embassy at Rabat (1956–present)
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Start </th><th colspan=1 rowspan=1 > End </th></tr>
<tr> <td colspan=1 rowspan=1 > William J. Porter </td><td colspan=1 rowspan=1 > Chargé d'Affaires </td><td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > 1956 </td></tr>
<tr> <td colspan=1 rowspan=1 > Cavendish W. Cannon </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > 1958 </td></tr>
<tr> <td colspan=1 rowspan=1 > Charles Yost </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > 1961 </td></tr>
<tr> <td colspan=1 rowspan=1 > Philip W. Bonsal </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1961 </td><td colspan=1 rowspan=1 > 1962 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > John H. Ferguson </td><td class="highlighted"  colspan=1 rowspan=1 > Ambassador </td><td class="highlighted"  colspan=1 rowspan=1 > 1962 </td><td class="highlighted"  colspan=1 rowspan=1 > 1964 </td></tr>
<tr> <td colspan=1 rowspan=1 > Henry J. Tasca </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1965 </td><td colspan=1 rowspan=1 > 1969 </td></tr>
<tr> <td colspan=1 rowspan=1 > Stuart W. Rockwell </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1970 </td><td colspan=1 rowspan=1 > 1973 </td></tr>
<tr> <td colspan=1 rowspan=1 > Robert G. Neumann </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1973 </td><td colspan=1 rowspan=1 > 1976 </td></tr>
<tr> <td colspan=1 rowspan=1 > Robert Anderson </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1976 </td><td colspan=1 rowspan=1 > 1978 </td></tr>
<tr> <td colspan=1 rowspan=1 > Richard B. Parker </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1978 </td><td colspan=1 rowspan=1 > 1979 </td></tr>
<tr> <td colspan=1 rowspan=1 > Angier Biddle Duke </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1979 </td><td colspan=1 rowspan=1 > 1981 </td></tr>
<tr> <td colspan=1 rowspan=1 > Joseph Verner Reed, Jr. </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1981 </td><td colspan=1 rowspan=1 > 1985 </td></tr>
<tr> <td colspan=1 rowspan=1 > Thomas Anthony Nassif </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > 1988 </td></tr>
<tr> <td colspan=1 rowspan=1 > Michael Ussery </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1988 </td><td colspan=1 rowspan=1 > 1991 </td></tr>
<tr> <td colspan=1 rowspan=1 > Frederick Vreeland </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > 1993 </td></tr>
<tr> <td colspan=1 rowspan=1 > Marc Charles Ginsberg </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 > 1997 </td></tr>
<tr> <td colspan=1 rowspan=1 > Gary S. Usrey </td><td colspan=1 rowspan=1 > Chargé d'Affaires </td><td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > 1998 </td></tr>
<tr> <td colspan=1 rowspan=1 > Edward M. Gabriel </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 1998 </td><td colspan=1 rowspan=1 > 2001 </td></tr>
<tr> <td colspan=1 rowspan=1 > Margaret D. Tutwiler </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > 2003 </td></tr>
<tr> <td colspan=1 rowspan=1 > Thomas Riley </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > 2009 </td></tr>
<tr> <td colspan=1 rowspan=1 > Samuel L. Kaplan </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > Matthew Lussenhop </td><td colspan=1 rowspan=1 > Chargé d'Affaires </td><td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > 2014 </td></tr>
<tr> <td colspan=1 rowspan=1 > Dwight L. Bush Sr. </td><td colspan=1 rowspan=1 > Ambassador </td><td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > 2017 </td></tr>
</table>
Question:
Who was the fifth U.S. ambassador to Morocco and when did they serve?
Answer:
John H. Ferguson was the fifth U.S. ambassador to Morocco, and he served from 1962 to 1964.