Table: tatyana_chernova_heptathlon
Columns: year
competition
venue
position
notes

Question: What is the Venue of the Heptathlon after 2006 where Tatyana Chernova comes in Position 7th?
SQL: SELECT "venue" FROM tatyana_chernova_heptathlon WHERE "year" > 2006 AND "position" = '7th' AND "notes" = 'heptathlon'

Question: In what Year did Chernova come in 1st in Götzis, Austria?
SQL: SELECT SUM("year") FROM tatyana_chernova_heptathlon WHERE "venue" = 'götzis, austria' AND "position" = '1st'