Table: language_creation_conference
Columns: year
conference
city
country
local_host_s

Question: What is the sum of year with the local host Sai?
SQL: SELECT SUM("year") FROM language_creation_conference WHERE "local_host_s" = 'sai'

Question: Who are the local hosts for the United States in years earlier than 2007?
SQL: SELECT "local_host_s" FROM language_creation_conference WHERE "country" = 'united states' AND "year" < 2007

Question: Which city has a conference of LCC2 and a year earlier than 2009?
SQL: SELECT "city" FROM language_creation_conference WHERE "year" < 2009 AND "conference" = 'lcc2'