What is the project title of the school located at latitude 42003718 and longitude -87668289?
latitude 42003718 refers to school_latitude = 42003718; longitude -87668289 refers to school_longitude = -87668289
SELECT T1.title FROM essays AS T1 INNER JOIN projects AS T2 ON T1.projectid = T2.projectid WHERE T2.school_latitude = 42003718 AND T2.school_longitude = -87668289