CREATE TABLE table_12182 ("Draft" TEXT, "Round" TEXT, "Pick" TEXT, "Nationality" TEXT, "Position" TEXT, "College/High School/Club" TEXT)

In which round was Position G from the United States drafted as Pick 13 in 1971-1 1971?
SELECT "Round" FROM table_12182 WHERE "Nationality" = 'united states' AND "Position" = 'g' AND "Pick" = '13' AND "Draft" = '1971-1 1971'
SELECT "Round" FROM "table_12182" WHERE "Draft" = '1971-1 1971' AND "Nationality" = 'united states' AND "Pick" = '13' AND "Position" = 'g'