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_29012710_1 (province VARCHAR, number_of_dairy_farms VARCHAR)

### Question ###
what is the location where there are over 200 cattle businesses

### Accurate SQL ###

SELECT province FROM table_29012710_1 WHERE number_of_dairy_farms = 200