Who was the last Oilers player with three hat tricks in a season?

Connor McDavid is the first Oilers player with three hat tricks in a season since Petr Klima in 1990-91.

	NAME	SEASON	GP	HT	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	TOI/GP
1	Connor McDavid	2017-18	58	3	26	43	69	13	24	4	10	0	3	4	1	187	13.9	21:21
2	Petr Klima	1990-91	70	3	40	28	68	24	113	7	9	1	0	5	1	204	19.6
3	Mark Messier	1989-90	79	3	45	84	129	19	79	13	34	6	5	3	1	211	21.3
4	Glenn Anderson	1987-88	80	3	38	50	88	5	58	16	15	1	0	3	0	255	14.9
5	Wayne Gretzky	1986-87	79	4	62	121	183	69	28	13	33	7	6	4	0	288	21.5
6	Glenn Anderson	1985-86	72	4	54	48	102	38	90	18	15	2	0	9	0	242	22.3
7	Wayne Gretzky	1985-86	80	3	52	163	215	71	46	11	43	3	15	6	1	350	14.9
8	Jari Kurri	1985-86	78	3	68	63	131	45	22	16	18	6	4	9	2	236	28.8
9	Glenn Anderson	1984-85	80	3	42	39	81	26	69	12	12	1	2	6	0	258	16.3
10	Wayne Gretzky	1984-85	80	6	73	135	208	100	52	8	36	11	7	7	0	354	20.6
11	Jari Kurri	1984-85	73	5	71	64	135	78	30	14	14	3	3	13	0	267	26.6
12	Glenn Anderson	1983-84	80	3	54	45	99	41	65	11	10	4	1	11	0	277	19.5
13	Wayne Gretzky	1983-84	74	10	87	118	205	78	39	20	27	12	11	11	0	326	26.7
14	Jari Kurri	1983-84	64	4	52	61	113	39	14	10	16	5	4	4	1	195	26.7
15	Wayne Gretzky	1981-82	80	10	92	120	212	80	26	18	39	6	2	12		370	24.9
16	Wayne Gretzky	1980-81	80	4	55	109	164	41	28	15	38	4	3	3		261	21.1
17	Jari Kurri	1980-81	75	3	32	43	75	27	40	9	10	0	0	1		202	15.8
18	Blair MacDonald	1979-80	80	4	46	48	94	0	6	13	15	2	1	6		266	17.3