How many Roman emperors and empresses were there?
197
4
5
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
1
3
2
6
4
5
1
3
2
6
4
5
1
3
2
6
4
5
1
3
2
6
4
7
5
1
3
2
6
4
7
5
1
3
2
6
4
7
5
1
3
2
6
4
7
5
1
3
2
6
4
8
7
5
1
3
2
0
6
4
8
7
5
1
3
2
6
4
8
0
7
5
1
3
2
9
6
4
8
7
5
1
10
3
0
2
9
6
4
8
7
5
1
10
3
2
9
0
6
8
7
1
10
3
9
6
8
0
7
1
10
12
9
11
6
8
7
1
10
0
12
9
11
6
8
7
1
10
12
9
11
0
6
8
7
1
10
66
12
9
11
6
8
0
7
1
10
13
12
9
11
66
6
8
7
1
10
13
0
12
9
11
6
62
8
66
7
0
61
62
66