Question: What is the host city that has Alicia Keys listed as a host?
SQL: SELECT "Host city" FROM "2-1506948-1" WHERE "Hosts" = 'Alicia Keys';

Question: What is the host city of the Singapore Indoor Stadium venue and a Valentine's Day theme?
SQL: SELECT "Host city" FROM "2-1506948-1" WHERE "Venue" = 'Singapore Indoor Stadium' AND "Theme" = 'Valentine''s Day';

Question: What year will Bangkok be the host city and Alicia Keys host?
SQL: SELECT "Year" FROM "2-1506948-1" WHERE "Host city" = 'Bangkok' AND "Hosts" = 'Alicia Keys';

Question: Who are the hosts from the event with a theme of Codehunters and the host city of Bangkok?
SQL: SELECT "Hosts" FROM "2-1506948-1" WHERE "Host city" = 'Bangkok' AND "Theme" = 'Codehunters';

Question: Who are the hosts for the 2004 event?
SQL: SELECT "Hosts" FROM "2-1506948-1" WHERE "Year" = '2004';