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_26387382_1 ( year_operational INTEGER, location__county_ VARCHAR, capacity__mw_ VARCHAR )

### Question ###
What year was Fayette operational at 46?

### Accurate SQL ###

SELECT MIN(year_operational) FROM table_26387382_1 WHERE location__county_ = "Fayette" AND capacity__mw_ = "46"