How many countries in South America have a land area greater than 400,000 square miles?
5
1
1
1
1
3
1
3
1
2
3
1
2
4
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
6
0
2
4
5
3
1
6
2
4
5
7
3
1
6
2
4
5
7
3
6
2
4
5
7
3
6
2
4
5
7
3
6
2
4
5
7
3
6
2
4
5
7
6
9
2
4
8
5
7
6
9
4
8
5
7
6
9
8
5
7
6
9
8
7
6
9
8
7
6
9
10
8
7
11
6
9
10
8
7
11
6
9
10
8
7
11
6
9
10
8
7
11
6
13
9
10
12
8
7
11
6
13
9
10
12
8
7
11
6
13
9
10
12
8
7
11
14
6
13
9
10
12
8
7
11
14
13
ONE
128
66
128
128
62
69