function [berTable, foundBerFlag] = getBerForRunId(db, run_id)
    % getBerForRunId Queries the BER data for the specified run_id.
    % Inputs:
    %   db     - The database handler object.
    %   run_id - The run ID for which to get the BER data.
    % Outputs:
    %   berData - A table containing BER results for the given run ID.
    
    % Set up filter parameters to query the BER data for the specific run_id
    filterParams = db.tables;
    filterParams.Runs.run_id = run_id; % Filter by specific run_id
    
    % Define the fields to be retrieved from the database
    selectedFields = {'Runs.run_id', 'BERs.ber_id', 'Equalizer.eq_id', 'Equalizer.eq_type', ...
        'BERs.ber', 'BERs.occurrence', 'Configurations.db_mode', ...
        'Configurations.pam_level', 'Configurations.bitrate', 'Configurations.symbolrate', ...
        'Configurations.fiber_length', 'Configurations.wavelength', ...
        'Configurations.precomp_amp', 'Measurements.power_rop', 'Measurements.power_laser', ...
        'Measurements.power_pd_in'};
    
    % Query the database for the specified run_id
    [berTable, ~] = db.queryDB(filterParams, selectedFields);

    if ~isnumeric(berTable.ber)
        foundBerFlag = ~isnan(str2num(berTable.ber));
    else
        foundBerFlag = 1;
    end
    
    % Display information about the found BER entries
    % fprintf('Found %d BER entries for run_id %d.\n', size(berTable, 1), run_id);
end