$results->[0]; // Reference to a hash ref of Row_1
my %row_1 = %{$results->[0]}; // Hash of Row 1

$results->[0]{name}; // Name column from Row_1

// to iterate over the record set you might do this:
// id, position, name are column names from the table

for (@{$results}) {
   my $id = $_->{id};
   my $position = $_->{position};
   my $qb_name = $_->{name};
}