Chart multiple series(not time series,but similar) from a single SQL query?

[qbmiller]

SELECT
  bech32 ,
  epoch   ,
  reward 
FROM
   node_reward
WHERE
  $__timeFilter(created_at) 
  order by bech32, epoch

when use the Partition by values , It become

how to plot line chart , use Bar chart ?

[qbmiller]

grafana v10.2.0
using mysql datasource