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_67 (crystal_structure VARCHAR, no_of_cu_o_planes_in_unit_cell VARCHAR, t_c__k_ VARCHAR)

### Question ###
Which crystal structures has a Tc(K) of 110 and the number of Cu-O planes in the unit cell is 3?

### Accurate SQL ###

SELECT crystal_structure FROM table_name_67 WHERE no_of_cu_o_planes_in_unit_cell = 3 AND t_c__k_ = 110