Keyword Analysis & Research: what is a three circle graph called

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is a three circle graph called	0.96	0.7	9296	64	35
what	0.82	0.4	3915	55	4
is	1.15	0.8	1873	59	2
a	0.28	0.6	1959	64	1
three	1.39	0.1	4468	58	5
circle	1.44	0.7	484	37	6
graph	0.61	0.9	8728	62	5
called	0.46	0.4	3378	100	6

Keyword	CPC	PCC	Volume	Score
what is a three circle graph called	1.58	0.2	1887	58