CREATE TABLE table_56632 ("Series" FLOAT, "Year" TEXT, "Winner" TEXT, "Runner-up" TEXT, "Third place" TEXT, "Fourth place" TEXT, "Fifth place" TEXT, "Sixth place" TEXT, "Host" TEXT)

What series had Joan Tena in sixth place?
SELECT SUM("Series") FROM table_56632 WHERE "Sixth place" = 'joan tena'
SELECT SUM("Series") FROM "table_56632" WHERE "Sixth place" = 'joan tena'