Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_29225103_2 (hp_winning_team VARCHAR, ep_winning_team VARCHAR, gm_winning_team VARCHAR)

### Question ###
Who was the HP winning team when the EP winning team was Hans Zereis and the GM winning team was Charles Gibson? 

### Accurate SQL ###

SELECT hp_winning_team FROM table_29225103_2 WHERE ep_winning_team = "Hans Zereis" AND gm_winning_team = "Charles Gibson"