CREATE TABLE table_67121 ("State ranked in partisan order" CLOB, "Percentage Republicans" CLOB, "Percentage Democrats" CLOB, "Republican/ Democratic" CLOB, "Republican seat plurality" CLOB)

What is the Republican seat plurality of North Carolina?
SELECT "Republican seat plurality" FROM table_67121 WHERE "State ranked in partisan order" = 'north carolina'
SELECT "Republican seat plurality" FROM "table_67121" WHERE "State ranked in partisan order" = 'north carolina'