CREATE TABLE table_1341472_15 (party VARCHAR(255), candidates VARCHAR(255))
what's the party with candidates  jerry weller (r) 51.77% clem balanoff (d) 48.23%
    
SQL: SELECT party FROM table_1341472_15 WHERE candidates = "Jerry Weller (R) 51.77% Clem Balanoff (D) 48.23%"