CREATE TABLE table_20003 ("Year" FLOAT, "Dates" CLOB, "Champion" CLOB, "Country" CLOB, "Score" CLOB, "Tournament location" CLOB, "Purse  ( $ ) " FLOAT, "Winners share  ( $ ) " FLOAT)

When was Jenny Gleason the champion of the Northeast Delta Dental International?
SELECT "Dates" FROM table_20003 WHERE "Champion" = 'Jenny Gleason'
SELECT "Dates" FROM "table_20003" WHERE "Champion" = 'Jenny Gleason'