def create_tables(name,string_columns):
    """Returns string used to produce
    CREATE statement.

    Parameters
    ----------
    name : string
        indicates the name of the table to create.
    string_columns : string
        list of columns to create.

    Returns
    -------
    query : string
    """
    create_string="CREATE TABLE IF NOT EXISTS "
    query=create_string+name+string_columns
    return query