Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_38860 ( "Year" text, "Theme" text, "Host city" text, "Venue" text, "Hosts" text )

### Question ###
What is the host city of the Singapore Indoor Stadium venue and a Valentine's Day theme?

### Accurate SQL ###

SELECT "Host city" FROM table_38860 WHERE "Venue" = 'singapore indoor stadium' AND "Theme" = 'valentine''s day'