Table: fionnuala_britton_2005_eu
Columns: year
competition
venue
position
event

Question: What competition was the World Championships before 2011?
SQL: SELECT "event" FROM fionnuala_britton_2005_eu WHERE "competition" = 'world championships' AND "year" < 2011

Question: What event took place in Erfurt, Germany?
SQL: SELECT "event" FROM fionnuala_britton_2005_eu WHERE "venue" = 'erfurt, germany'