SELECT "Other" FROM table_29248 WHERE "Registered voters" = '50.7%'
What is other when registered voters is 50.7%?
CREATE TABLE table_29248 (
    "City" text,
    "Population" real,
    "Registered voters" text,
    "Democratic" text,
    "Republican" text,
    "D\u2013R spread" text,
    "Other" text,
    "No party preference" text
)