CREATE TABLE table_43118 ("Team" TEXT, "Country" TEXT, "Home" TEXT, "Skip" TEXT, "Third" TEXT, "Second" TEXT, "Lead" TEXT)

Who is the second on the North America team for which Cathy Overton-Clapham the third?
SELECT "Second" FROM table_43118 WHERE "Team" = 'north america' AND "Third" = 'cathy overton-clapham'
SELECT "Second" FROM "table_43118" WHERE "Team" = 'north america' AND "Third" = 'cathy overton-clapham'