Question: What are the middle names of the senator who is running for reelection in the United States Senate election in Michigan, 2018 ?
Sentence (from "United States Senate election in Michigan, 2018"): The 2018 United States Senate election in Michigan will take place on November 6, 2018, in order to elect a Class 1 member of the United States Senate to represent the state of Michigan.
Relevant evidence: No