SELECT U.roadmark, U.number, U.sightingID FROM units U WHERE (U.roadmark = 'VIA') AND (U.number = 8223) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 912) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 913) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 914) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 1606) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 1657) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 1850) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 2428) AND (S.locationID = L.ID) SELECT S.dt, S.trainnum, S.comments, L.name, L.provstate, S.locationID FROM sightings S, locations L WHERE (S.ID = 3345) AND (S.locationID = L.ID)