Table: linda_stahl_jump_stats
Columns: year
competition
venue
position
notes

Question: Which Year has a Competition of european championships, and Notes of 66.81 m?
SQL: SELECT SUM("year") FROM linda_stahl_jump_stats WHERE "competition" = 'european championships' AND "notes" = '66.81 m'

Question: Which Position has a Venue of berlin, germany?
SQL: SELECT "position" FROM linda_stahl_jump_stats WHERE "venue" = 'berlin, germany'

Question: Which competition was held in Arles, France?
SQL: SELECT "competition" FROM linda_stahl_jump_stats WHERE "venue" = 'arles, france'