Table: giro_1930
Columns: stage
date
course
distance
winner
race_leader

Question: What stage of the race was held on the course Reggio Calabria to Catanzaro?
SQL: SELECT "stage" FROM giro_1930 WHERE "course" = 'reggio calabria to catanzaro'

Question: Who was the winner for the Rome to Teramo course?
SQL: SELECT "winner" FROM giro_1930 WHERE "course" = 'rome to teramo'

Question: Who was the winner of stage 11?
SQL: SELECT "winner" FROM giro_1930 WHERE "stage" = '11'