CREATE TABLE table_5727 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Winner" TEXT, "Score" TEXT, "1st prize  (  $  ) " FLOAT)

What is the date of the Kmart greater greensboro open in North Carolina?
SELECT "Date" FROM table_5727 WHERE "Location" = 'north carolina' AND "Tournament" = 'kmart greater greensboro open'
SELECT "Date" FROM "table_5727" WHERE "Location" = 'north carolina' AND "Tournament" = 'kmart greater greensboro open'