CREATE TABLE table_15568886_14 (proto_austronesian VARCHAR2, proto_oceanic VARCHAR2)

Name the number of proto austronesian for *natu
SELECT COUNT(proto_austronesian) FROM table_15568886_14 WHERE proto_oceanic = "*natu"
SELECT COUNT("proto_austronesian") FROM "table_15568886_14" WHERE "*natu" = "proto_oceanic"