Result set 1:
columns {
  name: "column0"
  type {
    type_id: INT32
  }
}
rows {
  items {
    int32_value: 1
  }
}
Result set 2:
columns {
  name: "column0"
  type {
    type_id: INT32
  }
}
rows {
  items {
    int32_value: 4
  }
}
