CREATE TABLE table_75100 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Winner" TEXT, "Score" TEXT, "1st prize  (  $  ) " FLOAT)

What is the date of the Greater Greensboro Chrysler Classic?
SELECT "Date" FROM table_75100 WHERE "Tournament" = 'greater greensboro chrysler classic'
SELECT "Date" FROM "table_75100" WHERE "Tournament" = 'greater greensboro chrysler classic'