Table:
Photo
Ship
Hull No.
Status
Years Active
NVR
Page

Henry J. Kaiser
T-AO-187
Active—Southern California Duty Oiler
1986–present
AO187

Joshua Humphreys
T-AO-188
Inactivated 1996, returned to service 2005
1987-1996; 2005-2006; 2010-present
AO188

John Lenthall
T-AO-189
Active
1987-1996; 1998–present
AO189

Andrew J. Higgins
T-AO-190
Inactivated May 1996. Sold to the Chilean Navy May 2009. Towed to Atlantic Marine Alabama shipyard, Mobile, Alabama, September 2009 for three-month refit. Commissioned in Chilean Navy on 10 February 2010 and renamed Almirante Montt.[1]
1987-1996 (USA); 2010–present (Chile)

AO190

Benjamin Isherwood
T-AO-191
Cancelled when 95.3% complete,
transferred to the Maritime Administration,
laid up in the James River Reserve Fleet,
scrapped in 2011
Launched 1988, christened 1991, never in service
AO191

Henry Eckford
T-AO-192
Cancelled when 84% complete,
transferred to the Maritime Administration,
laid up in the James River Reserve Fleet,
scrapped in 2011
Launched 1989, never in service

AO192

Walter S. Diehl
T-AO-193
Active
1988–present
AO193

John Ericsson
T-AO-194
Active
1991–present
AO194

Leroy Grumman
T-AO-195
Active
1989–present
AO195

Kanawha
T-AO-196
Active
1991–present
AO196

Pecos
T-AO-197
Active
1990–present
AO197

Big Horn
T-AO-198
Active
1992–present
AO198

Tippecanoe
T-AO-199
Active
1993–present
AO199

Guadalupe
T-AO-200
Active
1992–present
AO200

Patuxent
T-AO-201
Active
1995–present
AO201

Yukon
T-AO-202
Active
1994–present
AO202

Laramie
T-AO-203
Active
1996–present
AO203

Rappahannock
T-AO-204
Active
1995–present
AO204

According to the table image, show the cell contents in the 4th column. Show the cells in a column in the JSON format {"column_id":"<column index>", "cell_list":"<a list of cells in this column>"}. For example, {"column_id":"6", "cell_list": ["A", "B", "C"]}.

The cells in the 4th column: {"column_id": "4", "cell_list": ['Years Active', '1986–present', '1987-1996; 2005-2006; 2010-present', '1987-1996; 1998–present', '1987-1996 (USA); 2010–present (Chile)', 'Launched 1988, christened 1991, never in service', 'Launched 1989, never in service', '1988–present', '1991–present', '1989–present', '1991–present', '1990–present', '1992–present', '1993–present', '1992–present', '1995–present', '1994–present', '1996–present', '1995–present']}