Table:
region of residence
total fertility rate
number of births
average age of mother

at first birth
all births

children per woman
thousands
year

canada
1.54
383.1
29.2
30.8

newfoundland and labrador
1.42
4.4
27.9
29.5

prince edward island
1.58
1.4
28.1
30.0

nova scotia
1.42
8.3
28.2
29.8

new brunswick
1.55
6.6
27.5
29.1

quebec
1.59
86.3
29.0
30.6

ontario
1.46
140.4
29.8
31.3

manitoba
1.85
16.9
27.6
29.6

saskatchewan
1.93
15.6
27.2
29.1

alberta
1.69
55.9
28.7
30.4

british columbia
1.40
45.3
30.3
31.6

yukon
1.62
0.4
29.2
30.9

northwest territories
1.79
0.6
27.8
29.5

nunavut
2.99
0.9
22.4
26.4

Statement: among the provinces and territories, british columbia had the oldest average age of first-time mothers, at 30.3 years.
Question: which region of residence had the oldest average age of first-time mothers among the provinces and territories?
Answer: [30.3]