Table:
age group
women
men

visible minority
not a visible minority
visible minority
not a visible minority

percentage

total age groups
27.7
29.5
16.8
15.2

15 to 24
66.2
61.1
57.2
46.5

25 to 54
20.1
20.3
9.2
6.2

55 to 64
22.7
29.7
11.3
12.9

65 and over
46.9
56.7
32.5
39.4

Based on the given table image and the specific text 'total age groups', please identify the cell's position and provide its location as JSON in the format {'value': '<cell value>', 'location': (row number, column number)}, keeping in mind that row and column number are numbered from 1.

The location of the cell is {'value': 'total age groups', 'location': (4, 1)}.