CREATE TABLE table_31947 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

Tell me the date for johanna konta
SELECT "Date" FROM table_31947 WHERE "Opponent in the final" = 'johanna konta'
SELECT "Date" FROM "table_31947" WHERE "Opponent in the final" = 'johanna konta'