def get_data():
output = []<EOL>tables = get_tables()<EOL>for table in tables:<EOL><INDENT>columns = get_columns(table)<EOL>for column in columns:<EOL><INDENT>if column['<STR_LIT:name>'] == '<STR_LIT>':<EOL><INDENT>output.append((table, column))<EOL><DEDENT><DEDENT><DEDENT>return output<EOL>
Returns combined list of tuples: [(table, column)].
    List is built, based on retrieved tables, where column with name
    ``tenant_id`` exists.