user: Question: Name the number of proto austronesian for *natu
Columns: ['Kinship', 'Proto-Austronesian', 'Proto-Malayo-Polynesian', 'Proto-Oceanic', 'Proto-Polynesian']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['person, human being', '*Cau', '*tau', '*taumataq', '*taŋata']
SQL:

assistant: SELECT COUNT("Proto-Austronesian") FROM "Table" WHERE "Proto-Oceanic" = '*natu';