Rader won the Democratic primary and advanced to the general election , where he faced Connie Mack IV , the Republican nominee and the son of retiring United States Senator Connie Mack III .
Head entity: connie mack iii Q436535 30 31 32
Tail entity: connie mack iv Q973774 15 16 17
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40