user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: Who was the person who fought in the Battle of Vicksburg who ended their position the earliest? 
Knowledge Triplets: Joseph Warren, people.person.nationality, United States of America
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Carter L. Stevenson
War of 1812, base.culturalevent.event.entity_involved, Winfield Scott
m.08cqtg1, military.military_service.military_person, John C. Pemberton
Vicksburg Campaign, military.military_conflict.military_personnel_involved, Joseph E. Johnston
Jefferson Davis, military.military_person.participated_in_conflicts, American Civil War
Ulysses S. Grant, people.person.children, Frederick Dent Grant
Siege of Vicksburg, military.military_conflict.combatants, m.049y2pc
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Snyder's Bluff
Battle of Champion Hill, time.event.included_in_event, Grant's Operations Against Vicksburg
Siege of Vicksburg, base.culturalevent.event.entity_involved, Ulysses S. Grant
Battle of Shiloh, military.military_conflict.military_personnel_involved, Ralph Pomeroy Buckland
Warren County, location.location.events, Siege of Vicksburg
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 17th Louisiana Infantry Regiment
Fighting for the Confederacy, book.written_work.subjects, United States of America
17th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
m.04hxfk6, people.place_lived.person, Ulysses S. Grant
Vicksburg, location.capital_of_administrative_division.capital_of, m.0jvvyr2
Vicksburg Campaign, time.event.includes_event, Grant's Operations Against Vicksburg
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Champion Hill
m.04h_h7l, military.military_service.military_person, Ulysses S. Grant
John Alexander McClernand, people.person.places_lived, m.04hsssl
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 23rd Louisiana Infantry Regiment
John Alexander McClernand, people.person.children, Edward John McClernand
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Fort Donelson
22nd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
29th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
m.04hw091, people.place_lived.person, John C. Pemberton
Robert E. Lee, military.military_person.participated_in_conflicts, Mexican–American War
3rd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Fighting for the Confederacy, book.written_work.subjects, American Civil War
William F. Draper, military.military_person.participated_in_conflicts, American Civil War
Grant's Operations Against Vicksburg, base.americancivilwar.campaign.theater, Western Theater of the American Civil War
m.04h_h8d, military.military_service.military_person, Ulysses S. Grant
Vicksburg, location.location.containedby, Warren County
Battle of Vicksburg, Kurz and Allison, common.image.size, m.02c7z_m
David Farragut, people.person.places_lived, m.03prc7s
Battle of Fort Donelson, military.military_conflict.military_personnel_involved, John Alexander McClernand
Battle of Champion Hill, base.culturalevent.event.entity_involved, Ulysses S. Grant
Carter L. Stevenson, military.military_person.participated_in_conflicts, Atlanta Campaign
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Kennesaw Mountain
m.08cqtg6, military.military_service.military_person, John C. Pemberton
David Farragut, people.person.parents, David Porter
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Port Gibson
Jefferson Davis, people.person.profession, Soldier
Seth Barton, military.military_person.participated_in_conflicts, Jackson's Valley Campaign
m.0z8pndg, military.military_service.military_person, William D. Turner
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 29th Louisiana Infantry Regiment
Siege of Vicksburg, base.culturalevent.event.entity_involved, United States of America
William F. Draper, military.military_person.participated_in_conflicts, Siege of Petersburg
John S. Bowen, military.military_person.participated_in_conflicts, Siege of Vicksburg
Battle of Chancellorsville, military.military_conflict.military_personnel_involved, Seth Barton
m.08cvct8, military.military_service.military_person, Peter Joseph Osterhaus
Frederick Dent Grant, people.person.gender, Male
David Farragut, military.military_person.participated_in_conflicts, War of 1812
m.0zp06z3, military.military_service.military_person, Henry Dow
Joseph E. Johnston, military.military_person.participated_in_conflicts, Vicksburg Campaign
John C. Pemberton, military.military_person.participated_in_conflicts, Mexican–American War
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Siege of Vicksburg
Grant's Operations Against Vicksburg, time.event.includes_event, Siege of Vicksburg
John S. Bowen, military.military_person.participated_in_conflicts, American Civil War
Battle of Snyder's Bluff, time.event.included_in_event, Grant's Operations Against Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Chapultepec
John Alexander McClernand, military.military_person.participated_in_conflicts, Siege of Vicksburg
Siege of Vicksburg, military.military_conflict.military_personnel_involved, David Farragut
Warren County, location.us_county.county_seat, Vicksburg
Battle of Helena, time.event.included_in_event, Grant's Operations Against Vicksburg
Battle of Big Black River Bridge, time.event.included_in_event, Grant's Operations Against Vicksburg
James B. McPherson, people.person.nationality, United States of America
American Civil War, base.culturalevent.event.entity_involved, George B. McClellan
26th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Carter L. Stevenson, military.military_person.participated_in_conflicts, Second Seminole War
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Atlanta
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Shiloh
Henry Dow, common.topic.notable_for, g.1yp3b0l4k
Robert E. Lee, people.person.nationality, Confederate States of America
m.049y2lz, military.military_command.military_conflict, Siege of Vicksburg
American Civil War, base.culturalevent.event.entity_involved, Henry Halleck
Henry Halleck, people.person.gender, Male
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Jackson, Mississippi
Jefferson Davis, military.military_person.participated_in_conflicts, Battle of Monterrey
Warren County, location.location.contains, Vicksburg National Military Park
Mississippi, travel.travel_destination.tourist_attractions, Vicksburg National Military Park
Battle of Chapultepec, military.military_conflict.military_personnel_involved, Ulysses S. Grant
Ulysses S. Grant, military.military_person.participated_in_conflicts, Mexican–American War
Grant's Operations Against Vicksburg, time.event.included_in_event, Vicksburg Campaign
Joseph E. Johnston, military.military_person.participated_in_conflicts, Battle of Chapultepec
Siege of Vicksburg, military.military_conflict.commanders, m.049y2lz
Jefferson Davis, book.book_subject.works, An Honorable Defeat: The Last Days of the Confederate Government
27th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Battle of Port Gibson, base.culturalevent.event.entity_involved, Ulysses S. Grant
Siege of Vicksburg, military.military_conflict.military_personnel_involved, James B. McPherson
Battle of Chickasaw Bayou, time.event.locations, Vicksburg
Battle of Grand Gulf, time.event.included_in_event, Grant's Operations Against Vicksburg
Battle of Shiloh, military.military_conflict.military_personnel_involved, James B. McPherson
m.03pj0kp, people.place_lived.person, James B. McPherson
Battle of the U.S.S. Kearsarge and the C.S.S. Alabama, visual_art.artwork.art_subject, American Civil War
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Monterrey
Siege of Vicksburg, military.military_conflict.commanders, m.049y2m5
David Farragut, military.military_person.participated_in_conflicts, American Civil War
Warren County, location.location.contains, Vicksburg
Carter L. Stevenson, military.military_person.participated_in_conflicts, Siege of Vicksburg
Vicksburg, location.citytown.postal_codes, 39183
Battle of Chapultepec, military.military_conflict.military_personnel_involved, Joseph E. Johnston
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Resaca
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Palo Alto
Henry Wilson, people.person.nationality, United States of America
Henry Casey, people.person.profession, Soldier
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Milliken's Bend
Battle of Raymond, base.culturalevent.event.entity_involved, James B. McPherson
James B. McPherson, military.military_person.service, m.04yv_v3
m.0zfhw9p, military.military_service.military_person, Henry Casey
Battle of Port Gibson, time.event.included_in_event, Grant's Operations Against Vicksburg
Carter L. Stevenson, military.military_person.participated_in_conflicts, Battle of Nashville
William F. Draper, people.person.nationality, United States of America
Siege of Vicksburg, common.topic.article, m.01hf7m
John Alexander McClernand, people.person.nationality, United States of America
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Resaca de la Palma
Peter Joseph Osterhaus, military.military_person.service, m.08cvct8
Battle of Big Black River Bridge, base.culturalevent.event.entity_involved, John Alexander McClernand
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Lookout Mountain
Siege of Vicksburg, military.military_conflict.combatants, m.04fvcs7
Jefferson Davis, military.military_person.participated_in_conflicts, Mexican–American War
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Fort Donelson
Frederick Dent Grant, people.person.parents, Ulysses S. Grant
23rd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Grant's Operations Against Vicksburg, common.topic.notable_types, Military Conflict
Siege of Vicksburg, common.topic.notable_types, Military Conflict
m.04h_h8v, military.military_service.military_person, Ulysses S. Grant
Fighting for the Confederacy, book.written_work.subjects, Confederate States of America
Siege of Vicksburg, time.event.included_in_event, Grant's Operations Against Vicksburg
Henry Wilson, people.person.profession, Politician
Winfield Scott, military.military_person.participated_in_conflicts, Mexican–American War
Ulysses S. Grant, military.military_person.participated_in_conflicts, American Civil War
Siege of Vicksburg, base.schemastaging.context_name.pronunciation, g.125_lwv14
Siege of Vicksburg, time.event.included_in_event, American Civil War
Battle of Fort Henry, military.military_conflict.military_personnel_involved, James B. McPherson
Battle of Goodrich's Landing, time.event.included_in_event, Grant's Operations Against Vicksburg
George B. McClellan, military.military_person.participated_in_conflicts, American Civil War
William D. Turner, people.person.nationality, United States of America
Fought in this battle, type.property.expected_type, Military Conflict
John C. Pemberton, military.military_person.service, m.08cqtg6
m.04hsssl, people.place_lived.person, John Alexander McClernand
Siege of Vicksburg, base.culturalevent.event.entity_involved, Union
P. G. T. Beauregard, people.person.nationality, Confederate States of America
Vicksburg, location.hud_county_place.county, Warren County
David Porter, people.person.nationality, United States of America
m.03prc7s, people.place_lived.person, David Farragut
Battle of Vicksburg, Kurz and Allison, common.image.appears_in_topic_gallery, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Appomattox Campaign
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 3rd Louisiana Infantry Regiment
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Raymond
P. G. T. Beauregard, military.military_person.participated_in_conflicts, Mexican–American War
Vicksburg, location.hud_county_place.place, Vicksburg
Battle of Chancellorsville, military.military_conflict.military_personnel_involved, Robert E. Lee
Battle of Milliken's Bend, time.event.included_in_event, Grant's Operations Against Vicksburg
John Alexander McClernand, people.person.gender, Male
David Porter, people.person.children, David Farragut
m.04h_h95, military.military_service.military_person, Ulysses S. Grant
Vicksburg, location.location.events, Battle of Chickasaw Bayou
Peter Joseph Osterhaus, people.person.places_lived, m.04hgzp_
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, American Civil War
Vicksburg, location.citytown.postal_codes, 39180
Seth Barton, military.military_person.participated_in_conflicts, American Civil War
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Big Black River Bridge
m.04h_h86, military.military_service.military_person, Ulysses S. Grant
Battle of the Wilderness, military.military_conflict.military_personnel_involved, William F. Draper
John C. Pemberton, people.person.nationality, Confederate States of America
Battle of Arkansas Post, military.military_conflict.military_personnel_involved, John Alexander McClernand
m.04hwd71, military.military_service.military_person, James B. McPherson
m.04hgzp_, people.place_lived.person, Peter Joseph Osterhaus
Mississippi, book.book_subject.works, Vicksburg
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Seth Barton
Carter L. Stevenson, military.military_person.participated_in_conflicts, American Civil War
Battle of Shiloh, military.military_conflict.military_personnel_involved, John Alexander McClernand
Vicksburg, location.location.events, Battle of Grand Gulf
Seth Barton, people.person.place_of_birth, Fredericksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Shiloh
Henry Halleck, common.topic.notable_types, Military Person
Vicksburg, book.written_work.subjects, Mississippi
Western Theater of the American Civil War, base.americancivilwar.theater.campaigns, Grant's Operations Against Vicksburg
Siege of Vicksburg, military.military_conflict.military_personnel_involved, John Alexander McClernand
Vicksburg Campaign, common.topic.notable_types, Military Conflict
John S. Bowen, people.person.nationality, United States of America
Siege of Vicksburg, military.military_conflict.military_personnel_involved, William D. Turner
Vicksburg, location.location.time_zones, Central Time Zone
American Civil War, base.culturalevent.event.entity_involved, Ulysses S. Grant
Battle of Fort Donelson, base.culturalevent.event.entity_involved, Ulysses S. Grant
American Civil War, base.culturalevent.event.entity_involved, Robert E. Lee
Ulysses S. Grant, military.military_person.participated_in_conflicts, Overland Campaign
m.04yv_v3, military.military_service.military_person, James B. McPherson
William D. Turner, military.military_person.service, m.0z8pndg
Siege of Vicksburg, time.event.locations, Mississippi
John Alexander McClernand, military.military_person.participated_in_conflicts, American Civil War
Henry Dow, military.military_person.service, m.0zp06z3
David Farragut, military.military_person.service, m.04hxb1t
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 26th Louisiana Infantry Regiment
John Alexander McClernand, common.topic.article, m.059w59
Vicksburg Campaign, time.event.included_in_event, Western Theater of the American Civil War
David Farragut, people.person.ethnicity, Spanish Americans
Joseph E. Johnston, military.military_person.participated_in_conflicts, Mexican–American War
American Civil War, base.culturalevent.event.entity_involved, Joseph E. Johnston
Battle of Atlanta, base.culturalevent.event.entity_involved, James B. McPherson
Henry Casey, common.topic.notable_for, g.1ylqcmhw3
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Fort Donelson
John Alexander McClernand, people.person.profession, Military Officer
Henry Casey, military.military_person.participated_in_conflicts, Siege of Vicksburg
Vicksburg, travel.travel_destination.tourist_attractions, Vicksburg National Military Park
David Farragut, military.military_person.participated_in_conflicts, Siege of Vicksburg
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Ulysses S. Grant
P. G. T. Beauregard, military.military_person.participated_in_conflicts, Battle of Shiloh
Military Conflict, type.type.expected_by, Fought in this battle
Henry Dow, people.person.profession, Soldier
James B. McPherson, military.military_person.participated_in_conflicts, American Civil War
Ulysses S. Grant, base.kwebbase.kwtopic.connections_to, robert edward lee fought ulysses simpson grant
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Ralph Pomeroy Buckland
Second Battle of Corinth, base.culturalevent.event.entity_involved, Confederate States of America
Carter L. Stevenson, people.person.nationality, Confederate States of America
Siege of Vicksburg, common.topic.notable_for, g.125fntmgj
Siege of Vicksburg, time.event.locations, Warren County
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, American Civil War
Battle of Atlanta, military.military_conflict.military_personnel_involved, James B. McPherson
Carter L. Stevenson, military.military_person.participated_in_conflicts, Battle of Lookout Mountain
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Fort Henry
Henry Dow, military.military_person.participated_in_conflicts, Siege of Vicksburg
John C. Pemberton, military.military_person.service, m.08cqtg1
Seth Barton, people.person.nationality, Confederate States of America
Seth Barton, military.military_person.participated_in_conflicts, Siege of Petersburg
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Port Gibson
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Molino del Rey
Vicksburg, location.location.containedby, Mississippi
Battle of the Wilderness, base.culturalevent.event.entity_involved, Ulysses S. Grant
Henry Casey, people.deceased_person.place_of_death, Bloomingburg
John C. Pemberton, people.person.places_lived, m.04hw091
William F. Draper, military.military_person.participated_in_conflicts, Battle of the Wilderness
Seth Barton, military.military_person.participated_in_conflicts, Appomattox Campaign
William D. Turner, common.topic.notable_for, g.1yh9t12d5
Battle of Raymond, time.event.included_in_event, Grant's Operations Against Vicksburg
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Pea Ridge
Ulysses S. Grant, military.military_person.participated_in_conflicts, Chattanooga Campaign
James B. McPherson, military.military_person.service, m.04hwd71
American Civil War, base.culturalevent.event.entity_involved, Gideon Welles
Joseph E. Johnston, military.military_person.participated_in_conflicts, American Civil War
Joseph E. Johnston, people.person.nationality, United States of America
Battle of Shiloh, military.military_conflict.military_personnel_involved, Ulysses S. Grant
David Farragut, people.person.nationality, United States of America
Robert E. Lee, military.military_person.participated_in_conflicts, American Civil War
Siege of Vicksburg, military.military_conflict.military_personnel_involved, John S. Bowen
James B. McPherson, people.person.education, m.04hwd6x
Robert E. Lee, military.military_person.participated_in_conflicts, Battle of Chancellorsville
Henry Halleck, military.military_person.participated_in_conflicts, American Civil War
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Big Black River Bridge
Siege of Vicksburg, military.military_conflict.military_personnel_involved, William F. Draper
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Petersburg
John C. Pemberton, people.person.nationality, United States of America
James B. McPherson, people.person.places_lived, m.03pj0kp
John Alexander McClernand, common.topic.notable_for, g.125d3_8ty
Battle of Fort Henry, base.culturalevent.event.entity_involved, Confederate States of America
Vicksburg, location.location.contains, Vicksburg National Military Park
Battle of Raymond, base.culturalevent.event.entity_involved, Confederate States of America
Siege of Vicksburg, base.culturalevent.event.entity_involved, John C. Pemberton
Frederick Dent Grant, people.person.nationality, United States of America
Joseph E. Johnston, military.military_person.participated_in_conflicts, Atlanta Campaign
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Wilson's Creek
Edward John McClernand, people.person.parents, John Alexander McClernand
m.04h_h7z, military.military_service.military_person, Ulysses S. Grant
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Vicksburg
Edward John McClernand, people.person.gender, Male
Robert E. Lee, base.kwebbase.kwtopic.connections_from, robert edward lee fought ulysses simpson grant
m.04fvcs7, military.military_combatant_group.conflict, Siege of Vicksburg
Battle of Resaca, military.military_conflict.military_personnel_involved, James B. McPherson
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Goodrich's Landing
Siege of Vicksburg, base.culturalevent.event.entity_involved, Confederate States of America
Gideon Welles, people.person.nationality, United States of America
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 22nd Louisiana Infantry Regiment
m.049y2m5, military.military_command.military_conflict, Siege of Vicksburg
James B. McPherson, people.person.place_of_birth, Clyde
Joseph Warren, people.person.gender, Male
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Grand Gulf
Battle of Fort Henry, base.culturalevent.event.entity_involved, Ulysses S. Grant
George B. McClellan, people.person.ethnicity, Scotch-Irish American
Carter L. Stevenson, military.military_person.participated_in_conflicts, Mexican–American War
George B. McClellan, people.person.profession, Soldier
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 31st Louisiana Infantry Regiment
Battle of Shiloh, base.culturalevent.event.entity_involved, Ulysses S. Grant
31st Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Veracruz
Henry Halleck, military.military_person.participated_in_conflicts, Mexican–American War
William F. Draper, military.military_person.participated_in_conflicts, Siege of Vicksburg
m.03pj1vh, people.place_lived.person, Ulysses S. Grant
Henry Wilson, people.person.gender, Male
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, He distinguished himself at the battle of Chatulpec on 13th September 1847, earning brevet commissions as first lieutenant and captain.
m.03pk3n7, people.place_lived.person, Peter Joseph Osterhaus
Seth Barton, military.military_person.participated_in_conflicts, Battle of Chancellorsville
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Arkansas Post
Joseph E. Johnston, people.person.nationality, Confederate States of America
George B. McClellan, military.military_person.participated_in_conflicts, Mexican–American War
Battle of Chancellorsville, base.culturalevent.event.entity_involved, Robert E. Lee
Henry Casey, people.person.nationality, United States of America
Mississippi, location.location.events, Siege of Vicksburg
Battle of Pea Ridge, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
m.049y2pc, military.military_combatant_group.conflict, Siege of Vicksburg
George B. McClellan, people.person.nationality, United States of America
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 27th Louisiana Infantry Regiment
Battle of Fort Donelson, military.military_conflict.military_personnel_involved, James B. McPherson
Carter L. Stevenson, military.military_person.participated_in_conflicts, Utah War
John S. Bowen, people.person.nationality, Confederate States of America
Battle of Resaca, base.culturalevent.event.entity_involved, Joseph E. Johnston
Grant's Operations Against Vicksburg, common.topic.notable_for, g.125b421pj
Vicksburg, book.written_work.original_language, English Language
m.0jvvyr2, location.administrative_division_capital_relationship.capital, Vicksburg
Peter Joseph Osterhaus, people.deceased_person.place_of_death, Duisburg
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Henry Dow
Western Theater of the American Civil War, time.event.includes_event, Vicksburg Campaign
Henry Halleck, people.person.nationality, United States of America
William D. Turner, military.military_person.participated_in_conflicts, Siege of Vicksburg
Ulysses S. Grant, people.person.nationality, United States of America
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, Battle of Shiloh
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Shiloh
Battle of the Wilderness, base.culturalevent.event.entity_involved, Robert E. Lee
Vicksburg, book.written_work.subjects, United States of America
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Big Black River Bridge
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Henry Casey
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, In January 1862, Grant received permission from General Henry Wager Halleck to begin an offensive campaign.
Battle of Jackson, Mississippi, base.culturalevent.event.entity_involved, Ulysses S. Grant
m.0gmkfgp, military.casualties.combatant, Confederate States of America
Siege of Vicksburg, common.topic.image, Battle of Vicksburg, Kurz and Allison
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
Fought in this battle, rdf-schema#range, Military Conflict
Henry Wilson, military.military_person.participated_in_conflicts, American Civil War
William F. Draper, military.military_person.participated_in_conflicts, Battle of Globe Tavern
Seth Barton, military.military_person.participated_in_conflicts, Siege of Vicksburg
William D. Turner, people.person.profession, Soldier
William D. Turner, military.military_person.participated_in_conflicts, American Civil War
Warren County, location.us_county.hud_county_place, Vicksburg
Robert E. Lee, people.person.nationality, United States of America
Robert E. Lee, people.person.profession, Soldier
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, Siege of Vicksburg
Battle of Arkansas Post, base.culturalevent.event.entity_involved, John Alexander McClernand
Battle of Grand Gulf, time.event.locations, Vicksburg
George B. McClellan, people.person.ethnicity, Scottish American
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Shiloh
Siege of Vicksburg, base.culturalevent.event.entity_involved, Ulysses S. Grant
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Atlanta Campaign
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Sherman's March to the Sea
m.0gmkgpk, military.casualties.combatant, Confederate States of America
An Honorable Defeat: The Last Days of the Confederate Government, book.written_work.subjects, Jefferson Davis
Peter Joseph Osterhaus, people.person.nationality, United States of America
P. G. T. Beauregard, military.military_person.participated_in_conflicts, American Civil War
Vicksburg, location.location.containedby, United States of America
Peter Joseph Osterhaus, common.topic.article, m.03grvlq
Battle of Jackson, Mississippi, time.event.included_in_event, Grant's Operations Against Vicksburg
Peter Joseph Osterhaus, people.person.places_lived, m.03pk3n7
James B. McPherson, military.military_person.participated_in_conflicts, Siege of Vicksburg
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Helena

Answer: Ulysses S. Grant