CREATE TABLE table_37181 ("Year ( s ) " FLOAT, "Grand Final Television Commentator" TEXT, "Grand Final Dual Television Commentator" TEXT, "Spokesperson" TEXT, "Semi Final Television Commentator" TEXT, "Semi Final Dual Television Commentator" TEXT)

What is the semi-final television commentator status in 1962 with an unknown spokesperson?
SELECT "Semi Final Television Commentator" FROM table_37181 WHERE "Spokesperson" = 'unknown' AND "Year(s)" = '1962'
SELECT "Semi Final Television Commentator" FROM "table_37181" WHERE "Spokesperson" = 'unknown' AND "Year(s)" = '1962'