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_26149 ( "Copper Age" text, "Chalcolithic (4500 BC - 3300 BC)" text, "Early Chalcolithic" text, "4500 BC - 4000 BC" text, "Ubaid period in Mesopotamia" text )

### Question ###
When hittite old kingdom , minoan eruption is the ubaid period in mesopotamia what is the copper age?

### Accurate SQL ###

SELECT "Copper Age" FROM table_26149 WHERE "Ubaid period in Mesopotamia" = 'Hittite Old Kingdom , Minoan eruption'