query Summary {root {_qx {relations {tasks {
 aggregate {count sum {estimatedHours}}
 groups(by: {status: true}, first: 10) {entries {group {status} aggregate {count sum {estimatedHours}}}}
 filter(where: {status: {eq: "OPEN"}}) {expand {tags {
 groups(by: {target: {_qx: {ref: true}, name: true, color: true}}, first: 100,
 orderBy: [{count: DESC}]) {entries {group {target {_qx {ref} name color}} aggregate {count sum {source {estimatedHours}}}}}
 }}}
}}}}}