CreateFunctionQuery unhexPrefixed (children 2)
 Identifier unhexPrefixed
 Function lambda (children 1)
  ExpressionList (children 2)
   Function tuple (children 1)
    ExpressionList (children 1)
     Identifier value
   Function unhex (children 1)
    ExpressionList (children 1)
     Function substring (children 1)
      ExpressionList (children 2)
       Identifier value
       Literal UInt64_3
