Is it list, graph, table or chart

In computer science, a list or sequence is an abstract data type that represents a countable number of ordered values, where the same value may occur more than once.

A graph is an abstract data type that is meant to implement the undirected graph and directed graph concepts from mathematics.

A table is a collection of related data held in a structured format within a database. It consists of columns and rows.

A chart, also called a graph, is a graphical representation of data, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart.

He would most likely be employed by a gov. agency or homeowner because he has the required skills that have to be known to apply and get hired into those jobs.