Table: marzooqi_match_results
Columns: date
venue
score
result
competition

Question: What was the date of the friendly competition with a score of 4-0?
SQL: SELECT "date" FROM marzooqi_match_results WHERE "competition" = 'friendly' AND "score" = '4-0'

Question: Where did the competition take place at on August 3, 2005 with a score of 5-0?
SQL: SELECT "venue" FROM marzooqi_match_results WHERE "score" = '5-0' AND "date" = 'august 3, 2005'

Question: What was the result of the 2007 gulf cup of nations?
SQL: SELECT "result" FROM marzooqi_match_results WHERE "competition" = '2007 gulf cup of nations'

Question: What was the result of the competition that had a score of 4-0?
SQL: SELECT "result" FROM marzooqi_match_results WHERE "score" = '4-0'