file:
- statement:
  - select_statement:
    - select_clause:
      - keyword: SELECT
      - select_clause_element:
        - numeric_literal: '56'
    - from_clause:
      - keyword: FROM
      - from_expression:
        - from_expression_element:
          - table_expression:
            - table_reference:
              - naked_identifier: sch1
              - dot: .
              - naked_identifier: tbl2
