human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Player, Pos., Nationality, Team, Previous team, Years of NBA experience [a ], Career with the franchise [b ]
###Question: How many years of NBA experience does the player who plays position g for the Portland Trail Blazers?
gpt
SELECT Years of NBA experience [a ] FROM table WHERE Pos. = g AND Team = portland trail blazers