CREATE TABLE table_3474 ("District" FLOAT, "Senator" TEXT, "Party" TEXT, "Residence" TEXT, "First elected" TEXT, "Term Limited" FLOAT)

What is the party affiliation for senator mark Wagoner?
SELECT "Party" FROM table_3474 WHERE "Senator" = 'Mark Wagoner'
SELECT "Party" FROM "table_3474" WHERE "Senator" = 'Mark Wagoner'