CREATE TABLE table_43631 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What is Location, when Round is '1', and when Opponent is 'Joe Slick'?
SELECT "Location" FROM table_43631 WHERE "Round" = '1' AND "Opponent" = 'joe slick'
SELECT "Location" FROM "table_43631" WHERE "Opponent" = 'joe slick' AND "Round" = '1'