Table: mauro_numa_1979
Columns: year
competition
venue
position
event

Question: What is the lowest year that had foil team as the event at Melbourne?
SQL: SELECT MIN("year") FROM mauro_numa_1979 WHERE "event" = 'foil team' AND "venue" = 'melbourne'

Question: What is the number of years that the event was foil team and took place in Los Angeles?
SQL: SELECT COUNT("year") FROM mauro_numa_1979 WHERE "venue" = 'los angeles' AND "event" = 'foil team'

Question: What was the position at the venue of lyon?
SQL: SELECT "position" FROM mauro_numa_1979 WHERE "venue" = 'lyon'

Question: What was the position for mauro at the world championships in 1985 during the foil individual event?
SQL: SELECT "position" FROM mauro_numa_1979 WHERE "event" = 'foil individual' AND "competition" = 'world championships' AND "year" = 1985