human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Stellar mass ( M☉ ), Planetary mass ( M⊕ ), Lum. (L 0 ), Type, RHAB ( AU ), RV (cm/s), Period (days)
###Question: What is the total stellar mass of the type m0?
gpt
SELECT SUM Stellar mass ( M☉ ) FROM table WHERE Type = m0