Table: teddy_tamgho_junior_champs
Columns: year
competition
venue
position
notes

Question: What was the earliest year with a note of 18.04 m wl?
SQL: SELECT MIN("year") FROM teddy_tamgho_junior_champs WHERE "notes" = '18.04 m wl'

Question: What venue had a competition of World Junior Championships before 2011?
SQL: SELECT "venue" FROM teddy_tamgho_junior_champs WHERE "year" < 2011 AND "competition" = 'world junior championships'