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_68271 ( "Unit" text, "Type" text, "Gross MW" text, "Construction start" text, "Operation start" text )

### Question ###
Type of phase ii has what gross mw?

### Accurate SQL ###

SELECT "Gross MW" FROM table_68271 WHERE "Type" = 'phase ii'