{"person":[{"first_name":"David","last_name":"Cannon","name_extension":"Jr.","gender":"male","economic_assessments":[{"economic_assesment":"From 1819 - petition"},{"economic_assesment":"From 1819 - answer of Hunter Martin"},{"economic_assesment":"From 1819 - petition"},{"economic_assesment":"From 1819 to 1840 - petition"}]}]}