human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Name, Pos., Height, Weight, Date of Birth, Club
###Question: What is the weight of the player from club panionios g.c. and was born on 1975-05-21?
gpt
SELECT Weight FROM table WHERE Club = panionios g.c. AND Date of Birth = 1975-05-21