Table: giro_1983_stage
Columns: date
course
distance
type
winner

Question: What type of race took place on the course Orta San Giulio to Milan?
SQL: SELECT "type" FROM giro_1983_stage WHERE "course" = 'orta san giulio to milan'

Question: When did the course Vasto to Campitello Matese took place?
SQL: SELECT "date" FROM giro_1983_stage WHERE "course" = 'vasto to campitello matese'

Question: Who won the course Brescia?
SQL: SELECT "winner" FROM giro_1983_stage WHERE "course" = 'brescia'