# A tibble: 7 x 4
  count id    name      age
  <dbl> <chr> <chr>   <int>
1     1 a     Alice      34
2     0 b     Bob        36
3     0 c     Charlie    30
4     1 d     David      29
5     1 e     Esther     32
6     0 f     Fanny      36
7     0 g     Gabby      60
