Table: carlo_simionato_1983_champs
Columns: year
competition
venue
position
event
time

Question: What's the Time for the Competition of european cup and has a Venue of Moscow?
SQL: SELECT "time" FROM carlo_simionato_1983_champs WHERE "competition" = 'european cup' AND "venue" = 'moscow'

Question: What's the Time for an Event of 4x100 m relay and has a Venue of Frankfurt?
SQL: SELECT "time" FROM carlo_simionato_1983_champs WHERE "event" = '4x100 m relay' AND "venue" = 'frankfurt'

Question: What Competition has an Event of 4x100 m relay and has the Time of 38.89?
SQL: SELECT "competition" FROM carlo_simionato_1983_champs WHERE "event" = '4x100 m relay' AND "time" = '38.89'

Question: What's the lowest Year with a  Venue of casablanca and has the Time of 20.63w?
SQL: SELECT MIN("year") FROM carlo_simionato_1983_champs WHERE "venue" = 'casablanca' AND "time" = '20.63w'