CREATE TABLE table_41251 ("Year" FLOAT, "Actor" TEXT, "Award" TEXT, "Series" TEXT, "Result" TEXT)

What was actor Teresa Graves's series before the year 1993?
SELECT "Series" FROM table_41251 WHERE "Year" < '1993' AND "Actor" = 'teresa graves'
SELECT "Series" FROM "table_41251" WHERE "Actor" = 'teresa graves' AND "Year" < '1993'