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_8051 ( "Date" text, "Home team" text, "Score" text, "Away team" text, "Venue" text, "Crowd" real, "Box Score" text, "Report" text )

### Question ###
How big was the crowd when the South Dragons were the away team at the Gold Coast Convention Centre?

### Accurate SQL ###

SELECT "Crowd" FROM table_8051 WHERE "Away team" = 'south dragons' AND "Venue" = 'gold coast convention centre'