How many video game consoles has Sega released?
10
3
3
3
3
2
3
2
3
2
3
2
3
2
3
2
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
7
0
2
5
4
1
3
7
2
5
4
0
1
3
7
2
5
4
6
1
0
7
2
5
4
6
1
7
0
2
5
4
6
1
7
2
5
4
0
6
1
7
5
4
6
1
8
0
7
5
4
6
1
8
7
0
9
5
4
6
1
8
7
9
5
4
0
6
1
8
7
9
5
4
6
1
8
7
9
5
6
1
8
7
9
10
6
1
8
7
9
10
6
1
8
7
9
10
6
1
8
7
9
10
6
8
7
9
10
6
8
7
9
10
6
8
13
7
11
ten
9
10
6
8
13
7
11
9
14
10
ten
6
8
13
11
9
14
10
12
6
8
ten
13
11
9
ten