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 votes (contestant_number VARCHAR)
TABLE: CREATE TABLE contestants (contestant_number VARCHAR, contestant_name VARCHAR)

### Question ###
What are the contestant numbers and names of the contestants who had at least two votes?

### Accurate SQL ###

SELECT T1.contestant_number, T1.contestant_name FROM contestants AS T1 JOIN votes AS T2 ON T1.contestant_number = T2.contestant_number GROUP BY T1.contestant_number HAVING COUNT(*) >= 2