Table: airports_romania
Columns: rank
airport
city
code_iata_icao
2008
2009
2010

Question: What is the average in 2010 of the team with a code of (IATA/ICAO) or cra/lrcv?
SQL: SELECT "2010" FROM airports_romania WHERE "code_iata_icao" = 'cra/lrcv'