human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Home team, Home team score, Away team, Away team score, Venue, Crowd, Date
###Question: How much is the sum of every crowd in attendance when the away score was 7.13 (55) for Richmond?
gpt
SELECT SUM Crowd FROM table WHERE Away team score = 7.13 (55) AND Away team = richmond