When adding colors to a chart, more is better

Explain the function of each of the clauses in the SELECT statement. What restrictions are imposed on these clauses?

FROM Specifies the table or tables to be used. WHERE Filters the rows subject to some condition. GROUP BY Forms groups of rows with the same column value. HAVING Filters the groups subject to some condition. SELECT Specifies which columns are to appear in the output. ORDER BY Specifies the order of the output.

In the image below, identify which of the retangles identifies the actual email address.

a. A
b. B
c. C
d. The three components together identify the address.