Table: giro_1990
Columns: stage
winner
general_classification
points_classification
trofeo_fast_team

Question: who is the winner when the trofeo fast team is carrera jeans-vagabond in stage 5?
SQL: SELECT "winner" FROM giro_1990 WHERE "trofeo_fast_team" = 'carrera jeans-vagabond' AND "stage" = '5'

Question: who was the trofeo fast team in stage 10?
SQL: SELECT "trofeo_fast_team" FROM giro_1990 WHERE "stage" = '10'

Question: who is the trofeo fast team in stage 10?
SQL: SELECT "trofeo_fast_team" FROM giro_1990 WHERE "stage" = '10'

Question: who is the points classification in stage 1?
SQL: SELECT "points_classification" FROM giro_1990 WHERE "stage" = '1'

Question: what is the stage when the winner is charly mottet?
SQL: SELECT "stage" FROM giro_1990 WHERE "winner" = 'charly mottet'