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_49102 ( "Year" text, "League Position" text, "League" text, "Domestic Cup" text, "Cup Position" text )

### Question ###
What year had a domestic cup of singapore cup?

### Accurate SQL ###

SELECT "Year" FROM table_49102 WHERE "Domestic Cup" = 'singapore cup'