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:
37th United States Congress
Table title:
House of Representatives
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > District </th><th colspan=1 rowspan=1 > Vacator </th><th colspan=1 rowspan=1 > Reason for change </th><th colspan=1 rowspan=1 > Successor </th><th colspan=1 rowspan=1 > Date of successor's formal installation </th></tr>
<tr> <td colspan=1 rowspan=1 > Colorado Territory At-large </td><td colspan=2 rowspan=1 > New seat. </td><td colspan=1 rowspan=1 > Hiram P. Bennett (Conservative R) </td><td colspan=1 rowspan=1 > August 19, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Nevada Territory At-large </td><td colspan=2 rowspan=1 > New seat. </td><td colspan=1 rowspan=1 > John Cradlebaugh (I) </td><td colspan=1 rowspan=1 > December 2, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Dakota Territory At-large </td><td colspan=2 rowspan=1 > New seat. </td><td colspan=1 rowspan=1 > John B. S. Todd (D) </td><td colspan=1 rowspan=1 > December 9, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Louisiana 1st </td><td colspan=2 rowspan=1 > Vacant. </td><td colspan=1 rowspan=1 > Benjamin F. Flanders (U) </td><td colspan=1 rowspan=1 > December 3, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Louisiana 2nd </td><td colspan=2 rowspan=1 > Vacant. </td><td colspan=1 rowspan=1 > Michael Hahn (U) </td><td colspan=1 rowspan=1 > December 3, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Tennessee 3rd </td><td colspan=1 rowspan=1 > Vacant </td><td colspan=1 rowspan=1 > Representative-elect George W. Bridges was arrested by Confederate troops while en route to Washington, D.C. </td><td colspan=1 rowspan=1 > George W. Bridges (U) </td><td colspan=1 rowspan=1 > February 25, 1863 </td></tr>
<tr> <td colspan=1 rowspan=1 > Virginia 1st </td><td colspan=2 rowspan=1 > Vacant. </td><td colspan=1 rowspan=1 > Joseph E. Segar (U) </td><td colspan=1 rowspan=1 > May 6, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > California At-large </td><td colspan=1 rowspan=1 > Vacant </td><td colspan=1 rowspan=1 > Low not permitted to take seat, qualified later under special act of Congress, 12 Stat. 411 </td><td colspan=1 rowspan=1 > Frederick F. Low (R) </td><td colspan=1 rowspan=1 > June 3, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Virginia 7th </td><td colspan=2 rowspan=1 > Vacant. </td><td class="highlighted"  colspan=1 rowspan=1 > Charles H. Upton (U) </td><td class="highlighted"  colspan=1 rowspan=1 > July 4, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ohio 7th </td><td colspan=1 rowspan=1 > Thomas Corwin (R) </td><td colspan=1 rowspan=1 > Resigned March 12, 1861, to become Minister to Mexico. </td><td colspan=1 rowspan=1 > Richard A. Harrison (U) </td><td colspan=1 rowspan=1 > July 4, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ohio 13th </td><td colspan=1 rowspan=1 > John Sherman (R) </td><td colspan=1 rowspan=1 > Resigned March 12, 1861, when elected U.S. Senator. </td><td colspan=1 rowspan=1 > Samuel T. Worcester (R) </td><td colspan=1 rowspan=1 > July 4, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pennsylvania 12th </td><td colspan=1 rowspan=1 > George W. Scranton (R) </td><td colspan=1 rowspan=1 > Died March 24, 1861. </td><td colspan=1 rowspan=1 > Hendrick B. Wright (D) </td><td colspan=1 rowspan=1 > July 4, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Massachusetts 3rd </td><td colspan=1 rowspan=1 > Charles F. Adams, Sr. (R) </td><td colspan=1 rowspan=1 > Resigned May 1, 1861, to become Ambassador to Great Britain. </td><td colspan=1 rowspan=1 > Benjamin Thomas (U) </td><td colspan=1 rowspan=1 > June 11, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pennsylvania 2nd </td><td colspan=1 rowspan=1 > Edward Joy Morris (R) </td><td colspan=1 rowspan=1 > Resigned June 8, 1861, to become Minister Resident to Turkey. </td><td colspan=1 rowspan=1 > Charles J. Biddle (D) </td><td colspan=1 rowspan=1 > July 2, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Virginia 11th </td><td colspan=1 rowspan=1 > John S. Carlile (U) </td><td colspan=1 rowspan=1 > Resigned July 9, 1861, to become United States Senator from the loyal faction of Virginia. </td><td colspan=1 rowspan=1 > Jacob B. Blair (U) </td><td colspan=1 rowspan=1 > December 2, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Missouri 3rd </td><td colspan=1 rowspan=1 > John B. Clark (D) </td><td colspan=1 rowspan=1 > Expelled July 13, 1861, for having taken up arms against the Union. </td><td colspan=1 rowspan=1 > William A. Hall (D) </td><td colspan=1 rowspan=1 > January 20, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Oregon At-large </td><td colspan=1 rowspan=1 > Andrew J. Thayer (D) </td><td colspan=1 rowspan=1 > Election was successfully contested July 30, 1861. </td><td colspan=1 rowspan=1 > George K. Shiel (D) </td><td colspan=1 rowspan=1 > July 30, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Missouri 5th </td><td colspan=1 rowspan=1 > John W. Reid (D) </td><td colspan=1 rowspan=1 > Withdrew August 3, 1861, and then expelled December 2, 1861, for having taken up arms against the Union. </td><td colspan=1 rowspan=1 > Thomas L. Price (D) </td><td colspan=1 rowspan=1 > January 21, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Iowa 1st </td><td colspan=1 rowspan=1 > Samuel Curtis (R) </td><td colspan=1 rowspan=1 > Resigned August 4, 1861, to become colonel of the 2nd Iowa Infantry. </td><td colspan=1 rowspan=1 > James F. Wilson (R) </td><td colspan=1 rowspan=1 > October 8, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Massachusetts 5th </td><td colspan=1 rowspan=1 > William Appleton (CU) </td><td colspan=1 rowspan=1 > Resigned September 27, 1861, due to failing health. </td><td colspan=1 rowspan=1 > Samuel Hooper (R) </td><td colspan=1 rowspan=1 > December 2, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Illinois 6th </td><td colspan=1 rowspan=1 > John A. McClernand (D) </td><td colspan=1 rowspan=1 > Resigned October 28, 1861, to accept a commission as brigadier general of volunteers for service in the Civil War. </td><td colspan=1 rowspan=1 > Anthony L. Knapp (D) </td><td colspan=1 rowspan=1 > December 12, 1861 </td></tr>
<tr> <td colspan=1 rowspan=1 > Kentucky 1st </td><td colspan=1 rowspan=1 > Henry C. Burnett (D) </td><td colspan=1 rowspan=1 > Expelled December 3, 1861, for support of secession. </td><td colspan=1 rowspan=1 > Samuel L. Casey (U) </td><td colspan=1 rowspan=1 > March 10, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Kentucky 2nd </td><td colspan=1 rowspan=1 > James S. Jackson (U) </td><td colspan=1 rowspan=1 > Resigned December 13, 1861, to enter the Union Army. </td><td colspan=1 rowspan=1 > George H. Yeaman (U) </td><td colspan=1 rowspan=1 > December 1, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Virginia 7th </td><td class="highlighted"  colspan=1 rowspan=1 > Charles H. Upton (U) </td><td class="highlighted"  colspan=1 rowspan=1 > Declared not entitled to seat February 27, 1862. </td><td class="highlighted"  colspan=1 rowspan=1 > Lewis McKenzie (U) </td><td class="highlighted"  colspan=1 rowspan=1 > February 16, 1863 </td></tr>
<tr> <td colspan=1 rowspan=1 > Illinois 9th </td><td colspan=1 rowspan=1 > John A. Logan (D) </td><td colspan=1 rowspan=1 > Resigned April 2, 1862, to enter the Union Army. </td><td colspan=1 rowspan=1 > William J. Allen (D) </td><td colspan=1 rowspan=1 > June 2, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pennsylvania 7th </td><td colspan=1 rowspan=1 > Thomas B. Cooper (D) </td><td colspan=1 rowspan=1 > Died April 4, 1862. </td><td colspan=1 rowspan=1 > John D. Stiles (D) </td><td colspan=1 rowspan=1 > June 3, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Massachusetts 9th </td><td colspan=1 rowspan=1 > Goldsmith F. Bailey (R) </td><td colspan=1 rowspan=1 > Died May 8, 1862. </td><td colspan=1 rowspan=1 > Amasa Walker (R) </td><td colspan=1 rowspan=1 > December 1, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Maine 2nd </td><td colspan=1 rowspan=1 > Charles W. Walton (R) </td><td colspan=1 rowspan=1 > Resigned May 26, 1862, to become associate justice of the Maine Supreme Judicial Court. </td><td colspan=1 rowspan=1 > Thomas A. D. Fessenden (R) </td><td colspan=1 rowspan=1 > December 1, 1862 </td></tr>
<tr> <td colspan=1 rowspan=1 > Wisconsin 2nd </td><td colspan=1 rowspan=1 > Luther Hanchett (R) </td><td colspan=1 rowspan=1 > Died November 24, 1862. </td><td colspan=1 rowspan=1 > Walter D. McIndoe (R) </td><td colspan=1 rowspan=1 > January 26, 1863 </td></tr>
<tr> <td colspan=1 rowspan=1 > Illinois 5th </td><td colspan=1 rowspan=1 > William A. Richardson (D) </td><td colspan=1 rowspan=1 > Resigned January 29, 1863, after being elected to the U.S. Senate. </td><td colspan=2 rowspan=1 > Vacant thereafter </td></tr>
</table>
Question:
Which people served as House Representative for Virginia's 7th Congressional District in the 37th United States Congress?
Answer:
Charles H. Upton (U) served as representative from July 4, 1861 – February 27, 1862 which was later served by Lewis McKenzie (U) from February 16, 1863.