Table:
Name	Age (years)

Roger	10

Emily	8

Camille	7

Ben	7

Oscar	13

Lindsey	8

Shelby	10

Given a table, you can represent a cell's position using the JSON {'value': '<cell value>', 'location': (row index, column index)}, where row and column indices start from 1. Referring to the shown table picture, determine the locations of the specified cells using the mentioned format.
Target cell values:
1. 'Shelby'
2. 'Camille'
3. 'Ben'
Represent the location as 'DOES NOT EXIST' if a cell is not present in the table.

The coordinates of target cells are listed below.
1. {'value': 'Shelby', 'location': (9, 1)}
2. {'value': 'Camille', 'location': (5, 1)}
3. {'value': 'Ben', 'location': (6, 1)}