Table: person_cases
Columns: case
1st_pers_sing
2nd_pers_sing
3rd_pers_sing
1st_pers_pl
2nd_pers_pl
3rd_pers_pl

Question: Name the 3rd person pl for  тонэн ~ тонэныд
SQL: SELECT "3rd_pers_pl" FROM person_cases WHERE "2nd_pers_sing" = 'тонэн ~ тонэныд'

Question: Name the 1st person pl for тонэ
SQL: SELECT "1st_pers_pl" FROM person_cases WHERE "2nd_pers_sing" = 'тонэ'

Question: Name the 3rd pers pl for dative
SQL: SELECT "3rd_pers_pl" FROM person_cases WHERE "case" = 'dative'