Table: franca_fiacconi_1993
Columns: year
competition
venue
position
notes

Question: What position did he finish after 1998 and a note time of 2:31:40?
SQL: SELECT "position" FROM franca_fiacconi_1993 WHERE "year" > 1998 AND "notes" = '2:31:40'

Question: What venue featured a notes of 2:38:44?
SQL: SELECT "venue" FROM franca_fiacconi_1993 WHERE "notes" = '2:38:44'