Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Tournament | Winning score | Margin of victory | Runner(s)-up |
| --- | --- | --- | --- | --- |
| Jun 14, 1981 | Peter Jackson Champions | –12 (67-68-69=204) | Playoff | Gene Littler |
| Oct 18, 1981 | Suntree Seniors Classic | –12 (68-71-65=204) | 4 strokes | Bob Goalby |
| Dec 6, 1981 | PGA Seniors' Championship | –7 (68-72-68-73=281) | 2 strokes | Arnold Palmer |
| Jul 11, 1982 | U.S. Senior Open | –2 (72-74-71-65=282) | 4 strokes | Gene Littler , Dan Sikes |
| Oct 17, 1982 | Suntree Classic | –24 (66-66-66-66=264) | 5 strokes | Don January |
| Oct 24, 1982 | Hilton Head Seniors International | –6 (69-69=138) | Tie [1 ] | Dan Sikes |
| Jun 12, 1983 | Senior Tournament Players Championship | –10 (71-69-70-68=278) | 1 stroke | Gene Littler |
| Jul 17, 1983 | Merrill Lynch/Golf Digest Commemorative Pro-Am | –16 (65-66-69=200) | 5 strokes | Gay Brewer |
| Oct 2, 1983 | United Virginia Bank Seniors | –5 (68-71-72=211) | 1 stroke | Roberto De Vicenzo , Rod Funseth , Don January |
| Oct 23, 1983 | Hilton Head Seniors International | –7 (72-69-71-69=281) | 3 strokes | Gay Brewer , Jim Ferree , Gene Littler |
| Jun 17, 1984 | Roy Clark/Skoal Bandit Senior Challenge | –1 (71-73-68=212) | 1 stroke | Don January , Peter Thomson |
| Jul 1, 1984 | U.S. Senior Open | +6 (74-71-70-71=286) | 2 strokes | Arnold Palmer |
| Jul 8, 1984 | Greater Syracuse Senior's Pro Classic | –10 (69-70-67=206) | 3 strokes | Rod Funseth |
| Sep 12, 1984 | Denver Post Champions of Golf | –8 (68-70-70=208) | 3 strokes | Gay Brewer |
| Feb 10, 1985 | Sunrise Senior Classic | –5 (76-66-69=211) | 1 stroke | Orville Moody |
| Jun 30, 1985 | U.S. Senior Open | –3 (71-72-71-71=285) | 4 strokes | Roberto De Vicenzo |
| Sep 22, 1985 | PaineWebber World Seniors Invitational | –11 (72-67-67-71=277) | 2 strokes | Gay Brewer |
| Jan 11, 1986 | MONY Senior Tournament of Champions | –6 (70-70-70-72=282) | 5 strokes | Arnold Palmer |
| Aug 30, 1987 | Showdown Classic | –6 (71-67-72=210) | 1 stroke | Bruce Crampton |
| Sep 27, 1987 | Newport Cup | –14 (67-70-65=202) | 2 strokes | Bruce Crampton |
| Ju1 18, 1988 | Showdown Classic | –9 (70-67-70=207) | 2 strokes | Orville Moody , Dick Rhyan , Ben Smith |
| Nov 13, 1988 | Fairfield Barnett Classic | –19 (64-65-68=197) | 5 strokes | Homero Blancas |
| Jan 8, 1989 | MONY Senior Tournament of Champions | –8 (73-67-68-72=280) | 1 stroke | Dale Douglass |
| Mar 5, 1989 | Vintage Chrysler Invitational | –7 (70-70-72-69=281) | 1 stroke | Don Bies , Bob Charles , Larry Mowry |
Question:
On what date was the tournament played that eneded with a winning score of +6 (74-71-70-71=286) and margin of victory of 2 strokes, and with Arnold palmer as the runner-up?
Answer:
Jul 1, 1984