CREATE TABLE table_49077 ("Year" FLOAT, "Title" TEXT, "Producer" TEXT, "Narrator" TEXT, "Author" TEXT, "Citation" TEXT)

what is the year when the citation is honor and the author is kadir nelson?
SELECT SUM("Year") FROM table_49077 WHERE "Citation" = 'honor' AND "Author" = 'kadir nelson'
SELECT SUM("Year") FROM "table_49077" WHERE "Author" = 'kadir nelson' AND "Citation" = 'honor'