Table: giro_1994_stages
Columns: date
course
distance
type
winner

Question: tell me the type that has the marostica to bibione course.
SQL: SELECT "type" FROM giro_1994_stages WHERE "course" = 'marostica to bibione'

Question: who won on 29 may?
SQL: SELECT "winner" FROM giro_1994_stages WHERE "date" = '29 may'