How many parties received 29.9% of the vote in Manhattan?
CREATE TABLE table_1108394_47 (party VARCHAR, manhattan VARCHAR)
SELECT COUNT(party) FROM table_1108394_47 WHERE manhattan = "29.9_percentage"
### Context: CREATE TABLE table_1108394_47 (party VARCHAR, manhattan VARCHAR) ### Question: How many parties received 29.9% of the vote in Manhattan? ### Answer: SELECT COUNT(party) FROM table_1108394_47 WHERE manhattan = "29.9_percentage"