Table:
text: 1991 PGA Tour
Tournament results
Tournament results
Date_ Tournament Location_ Winner Score _1st_prize_
Feb 24 Nissan Los Angeles Open California Ted Schulz (2) 272 (–12) 180000
Mar 4 Doral-Ryder Open Florida Rocco Mediate (1) 276 (–12) 252000
Mar 10 Honda Classic Florida Steve Pate (4) 279 (–9) 180000
Mar 17 Nestle Invitational Florida Andrew Magee (2) 203 (–13) 180000
Mar 24 USF&G Classic Louisiana Ian Woosnam (1) 275 (–13) 180000
Mar 31 The Players Championship Florida Steve Elkington (2) 276 (–12) 288000
Apr 14 Masters Tournament Georgia Ian Woosnam (2) 277 (–11) 243000
Apr 21 MCI Heritage Golf Classic South Carolina Davis Love III (3) 271 (–13) 180000
Apr 28 KMart Greater Greensboro Open North Carolina Mark Brooks (2) 275 (–13) 225000

text: 1991 PGA Tour
Tournament results
Tournament results
Date_ Tournament Location_ Winner Score _1st_prize_
Sep 1 Greater Milwaukee Open Wisconsin Mark Brooks (3) 270 (–18) 180000
Sep 8 Canadian Open Canada Nick Price (3) 273 (–15) 180000
Sep 15 Hardee`s Golf Classic Illinois D. A. Weibring (3) 267 (–13) 180000
Sep 22 B.C. Open New York Fred Couples (6) 269 (–15) 144000
Sep 29 Buick Southern Open Georgia David Peoples (1) 276 (–12) 126000
Oct 6 H.E.B. Texas Open Texas Blaine McCallister (4) 269 (–11) 162000
Oct 13 Las Vegas Invitational Nevada Andrew Magee (3) 329 (–31) 270000
Oct 19 Walt Disney World/Oldsmobile Classic Florida Mark O`Meara (7) 267 (–21) 180000
Oct 26 Independent Insurance Agent Open Texas Fulton Allem (1) 273 (–15) 144000
Nov 3 The Tour Championship North Carolina Craig Stadler (9) 277 (–7) 360000

Question: From the 1991 PGA Tour, what is the date of the opening of the Kmart Greater Greensboro in the North Carolina tournament results?