/companyDB/departments/department 

/companyDB/employees/employee/@supervisor

/companyDB/employees/employee/lname/text()

/companyDB/employees/employee/*

/companyDB/employees/employee/@*

//dob

/companyDB/employees/employee[7]

/companyDB/employees/employee[1]/dependents/dependent[2]

/companyDB/employees/employee[1]/dependents/dependent[last()]

/companyDB/employees/employee[position()<=3]

/companyDB/employees/employee[minit="E"]

/companyDB/projects/project[@controllingDepartment>6]

/companyDB/employees/employee[starts-with(lname,"S")]

/companyDB/employees/employee[contains(address,"Philadelphia")]

//employee[@worksFor=7 and sex="M" and dependents/dependent[sex="M"]]

/companyDB/departments/department/dname/text() |
/companyDB/projects/project/pname/text()

/companyDB/employees/employee[@worksFor=ancestor::companyDB/departments/department[dname="Administration"]/@dno]