col : rank | name | nationality | time | notes row 1 : 1 | janelle atkinson | jamaica | 4:16.89 | q row 2 : 2 | - | - | - | q row 3 : 3 | kaitlin sandeno | united states | 4:18.97 | q row 4 : 4 | julia stowers | united states | 4:19.84 | q row 5 : 5 | - | - | - | q row 6 : 6 | - | - | - | q row 7 : 7 | - | - | - | q row 8 : 8 | - | - | - | q
how many athletes from the us ranked in the women's 400 meter freestyle  during the pan american games in 1999? what are their names?
kaitlin sandeno, julia stowers
Rank Name Nationality Time Notes
what are their names?
1 Janelle Atkinson Jamaica 4:16.89 Q
2 - - - Q
3 Kaitlin Sandeno United States 4:18.97 Q
4 Julia Stowers United States 4:19.84 Q
5 - - - Q
6 - - - Q
7 - - - Q
8 - - - Q
Kaitlin Sandeno Julia Stowers
what are their names? || how many athletes from the us ranked in the women's 400 meter freestyle  during the pan american games in 1999?