CREATE TABLE table_74359 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score in the final" TEXT)

in how many dates the opponen in the final was rushmi chakravarthi
SELECT COUNT("Date") FROM table_74359 WHERE "Opponent in the final" = 'Rushmi Chakravarthi'
SELECT COUNT("Date") FROM "table_74359" WHERE "Opponent in the final" = 'Rushmi Chakravarthi'