CREATE TABLE table_42703 ("Rank" TEXT, "Country" TEXT, "Wins" FLOAT, "Winners" FLOAT, "First title" FLOAT, "Last title" FLOAT)

Which Wins has a Country of new zealand and a Last title larger than 1968?
SELECT MIN("Wins") FROM table_42703 WHERE "Country" = 'new zealand' AND "Last title" > '1968'
SELECT MIN("Wins") FROM "table_42703" WHERE "Country" = 'new zealand' AND "Last title" > '1968'