CREATE TABLE table_46880 ("Year" FLOAT, "Title" TEXT, "Role" TEXT, "Network" TEXT, "Notes" TEXT)

What is the sum of Year, when Role is 'himself', and when Notes is 'celebrity guest alongside yg family'?
SELECT SUM("Year") FROM table_46880 WHERE "Role" = 'himself' AND "Notes" = 'celebrity guest alongside yg family'
SELECT SUM("Year") FROM "table_46880" WHERE "Notes" = 'celebrity guest alongside yg family' AND "Role" = 'himself'