CREATE TABLE table_19795 ("Year" FLOAT, "Mens singles" CLOB, "Womens singles" CLOB, "Mens doubles" CLOB, "Womens doubles" CLOB, "Mixed doubles" CLOB)

who is the the womens singles with mixed doubles being bernd frohnwieser hilde themel and year being smaller than 1959.0
SELECT "Womens singles" FROM table_19795 WHERE "Mixed doubles" = 'Bernd Frohnwieser Hilde Themel' AND "Year" < '1959.0'
SELECT "Womens singles" FROM "table_19795" WHERE "Mixed doubles" = 'Bernd Frohnwieser Hilde Themel' AND "Year" < '1959.0'