Table:
text: 1973 Monte Carlo Rally
Itinerary
Stages of the 42ème Rallye Automobile de Monte-Carlo
Stage Start_time Stage_name Distance Winning_driver Time_ Avg_Speed Rally_leader
SS7 23:55 St. Jean-en-Royan 36.00km Jean-Claude Andruet 27 m : 37 s 78.21km/h Jean-Claude Andruet
SS8 03:28 St. Barthelemy 40.00km Bernard Darniche 30 m : 55 s 77.63km/h Jean-Claude Andruet
SS9 06:14 Savines 20.00km Bernard Darniche 14 m : 43 s 81.54km/h Jean-Claude Andruet
SS10 11:10 Col de la Porte 18.25km Cancelled Cancelled Cancelled Jean-Claude Andruet
SS11 11:31 La Cabanette 18.25km Cancelled Cancelled Cancelled Jean-Claude Andruet
SS12 19:00 Col de la Madone - Col Banquettes 18.00km Ove Andersson 15 m : 22 s 70.28km/h Jean-Claude Andruet
SS13 20:13 Le Moulinet - La Bollene 23.00km Harry Kallstrom 21 m : 50 s 63.21km/h Jean-Claude Andruet

Question: What was the finish time of the stage with a distance of 18.25 km and a start time of 11:31 for the 1973 Monte Carlo Rally?