CREATE TABLE table_2006 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Affiliation" TEXT, "Enrollment" FLOAT, "Year Joined" FLOAT, "Nickname" TEXT, "Conference" TEXT)

What is the affiliation of the University called Explorers?
SELECT "Affiliation" FROM table_2006 WHERE "Nickname" = 'Explorers'
SELECT "Affiliation" FROM "table_2006" WHERE "Nickname" = 'Explorers'