CREATE TABLE table_1108394_34 (the_bronx VARCHAR2, manhattan VARCHAR2)

What percentage of The Bronx voters occured when Manhattan had 29.9% of voters?
SELECT the_bronx FROM table_1108394_34 WHERE manhattan = "29.9_percentage"
SELECT "the_bronx" FROM "table_1108394_34" WHERE "29.9_percentage" = "manhattan"