CREATE TABLE table_38861 ("Year" TEXT, "Theme" TEXT, "Host city" TEXT, "Venue" TEXT, "Hosts" TEXT)

What year will Bangkok be the host city and Alicia Keys host?
SELECT "Year" FROM table_38861 WHERE "Host city" = 'bangkok' AND "Hosts" = 'alicia keys'
SELECT "Year" FROM "table_38861" WHERE "Host city" = 'bangkok' AND "Hosts" = 'alicia keys'