Question: Richard Parker was probably present at a battle in Virginia that led to the departure of what Royal Governor?

Context paragraphs:
Richard Parker (colonel): Richard Parker (1751 – 8 May 1780) was an American colonel who fought in the American Revolutionary War.  Son of prominent Virginia jurist Richard Parker, Parker received an officer's commission in a Virginia regiment early in the conflict.  He probably was present at Great Bridge and Norfolk.  Promoted to major, he fought at Trenton in December 1776 and commanded the regiment at Second Trenton and Princeton in January 1777.  At Brandywine in September 1777 he led a detachment of light infantry in delaying the British.  The next month he fought at Germantown.  Promoted to colonel at Valley Forge, he led a picked detachment at Monmouth in June 1778.  In May 1779, George Washington ordered him back to Virginia to recruit a new regiment.  After being sent south with a new unit of reinforcements for Charleston, South Carolina in late 1779, he died of wounds received at the Siege of Charleston in 1780.

Battle of Great Bridge: The Battle of Great Bridge was fought December 9, 1775, in the area of Great Bridge, Virginia, early in the American Revolutionary War.  The victory by colonial Virginia militia forces led to the departure of Royal Governor Lord Dunmore and any remaining vestiges of British power over the Colony of Virginia during the early days of the conflict.

Thomas Lawrence (Governor of Maryland): Sir Thomas Lawrence (c. 1645–1714) was the 2nd Royal Governor of Maryland in 1693, elected by the Governor's Council following the death of Sir Lionel Copley, (1648-1693).  He governed the colony for only a few weeks before the new royally appointed governor, Edmund Andros, (1637-1714), arrived from his trans-Atlantic trip to take over control of the colony.  He was briefly the 6th Royal Governor of Maryland a second time when Andros then left the colony in 1694 (later also served as governor in the Dominion of New England and Virginia.

Battle of Point Pleasant: The Battle of Point Pleasant — known as the Battle of Kanawha in some older accounts — was the only major action of Dunmore's War.  It was fought on October 10, 1774, primarily between Virginia militia and Indians from the Shawnee and Mingo tribes.  Along the Ohio River near modern Point Pleasant, West Virginia, Indians under the Shawnee Chief Cornstalk attacked Virginia militia under Colonel Andrew Lewis, hoping to halt Lewis's advance into the Ohio Valley.  After a long and furious battle, Cornstalk retreated.  After the battle, the Virginians, along with a second force led by Lord Dunmore, the Royal Governor of Virginia, marched into the Ohio Valley and compelled Cornstalk to agree to a treaty, ending the war.

Guillem de Ribes: Guillem de Ribes (born "c".1140) was a Catalan nobleman and troubadour, the lord (or castellan) of Sant Pere de Ribes.  He was a known composer of lyric verse, but none of his works survive.  In the song of Peire d'Alvernhe, probably performed for the entourage of Eleanor, daughter of Henry II of England and fiancée of Alfonso VIII of Castile, in Gascony on its way back to Castile in 1173, Guillem is one of twelve contemporary troubadours (each probably present) satired:

Lionel Copley: Sir Lionel Copley (16481693) was the 1st Royal Governor of Maryland from 1692 through his death in 1693.  He was the first official royal governor appointed by the British crown after the colony was removed from the proprietary control of the Calvert family during the Glorious Revolution.  Copley engaged in a series of political struggles with the colonial assembly and the colonial secretary, Thomas Lawrence, in the year between his arrival and his death the next year.

HMS Fowey (1749): HMS "Fowey" was a sixth-rate warship of the Royal Navy.  Built in 1749, the ship was sunk during the Siege of Yorktown in 1781.  The ship is noted as having received Lord Dunmore, the governor of the Colony of Virginia, when he fled the colony for safety during the beginning of the American Revolution, marking the last departure of a Royal Governor from the colony.  The National Park Service has identified it as a probably candidate for a wreck located off Yorktown in the York River.

Ambrosio de Benavides: Ambrosio de Benavides Medina Liñán y Torres (January 20, 1718 – April 27, 1787 ) was a Spanish colonial administrator who served as Royal Governor of Puerto Rico, Royal Governor of Charcas and Royal Governor of Chile.

Antonio de Guill y Gonzaga: Antonio de Guill y Gonzaga (died August 24, 1768) was a Spanish colonial administrator who served as Royal Governor of Panama and Royal Governor of Chile.

Juan Antonio Garretón: Juan Antonio Garretón (born in Aragón, Spain) was a Spanish army officer who served as Royal Governor of Chiloé from 1761 to 1765.  Garretón had difficult relation with indigenous peoples and the Jesuits of Chiloé.  His removal from the position of Royal Governor of Chiloé was related to his violation the secrecy of correspondence of local Jesuits.

Supporting paragraphs: Richard Parker (colonel) Battle of Great Bridge
Answer: Lord Dunmore