user: Question: What is the semi-final television commentator status in 1962 with an Unknown spokesperson?
Columns: ['Year(s)', 'Grand Final Television Commentator', 'Grand Final Dual Television Commentator', 'Spokesperson', 'Semi Final Television Commentator', 'Semi Final Dual Television Commentator']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1956.0, 'Michèle Rebel', 'No Dual Television Commentator', 'No Spokesperson', 'No Semi Finals', 'No Semi Finals']
SQL:

assistant: SELECT "Semi Final Television Commentator" FROM "Table" WHERE "Spokesperson" = 'Unknown' AND "Year(s)" = 1962.0;