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_name_88 (mintage VARCHAR, weight VARCHAR, theme VARCHAR)

### Question ###
What is the Mintage of the 12.61 g Weight Ruby-Throated Hummingbird?

### Accurate SQL ###

SELECT COUNT(mintage) FROM table_name_88 WHERE weight = "12.61 g" AND theme = "ruby-throated hummingbird"