select_statement

select_statement 
      ::= 
      "select" sql_item { "," sql_item } 
      "into" ( ( variable_name { "," variable_name } ) 
      | record_name ) 
      "from" ( table_reference { "," table_reference } ) 
      sql_rest_of_select 

This rule is call by

-> cursor_body
-> cursor_declaration
-> cursor_loop_param
-> insert_statement
-> sql_statement