CREATE TABLE table_17861 ("Constituency" TEXT, "Electorate" FLOAT, "s Spoilt vote" FLOAT, "Total poll  ( % ) " TEXT, "For  ( % ) " TEXT, "Against  ( % ) " TEXT)

What is the against percentage in the Vest-Agder constituency?
SELECT "Against (%)" FROM table_17861 WHERE "Constituency" = 'Vest-Agder'
SELECT "Against (%)" FROM "table_17861" WHERE "Constituency" = 'Vest-Agder'