รายชื่อผู้เล่นและนามสกุลที่ได้รับเงินเดือนจากทีม Washington Nationals ทั้งในปี 2548 และ 2550 ไม่จำเป็นที่จะต้องใช้ตารางทั้งหมด
List players' first name and last name who received salary from team Washington Nationals in both 2005 and 2007.It is not neccessary to use all the tables.
 player:  (name_first [ VARCHAR ] name_last [ VARCHAR ] player_id [ VARCHAR) ]
SELECT T2.name_first, T2.name_last FROM salary AS T1 JOIN player AS T2 ON T1.player_id = T2.player_id JOIN team AS T3 ON T3.team_id_br = T1.team_id WHERE T1.year = 2005 AND T3.name = 'Washington Nationals' INTERSECT SELECT T2.name_first, T2.name_last FROM salary AS T1 JOIN player AS T2 ON T1.player_id = T2.player_id JOIN team AS T3 ON T3.team_id_br = T1.team_id WHERE T1.year = 2007 AND T3.name = 'Washington Nationals'