-- Database schema
| Demog : GEOID [ INTEGER ] primary_key , INHABITANTS_K [ REAL ] , INCOME_K [ REAL ] , A_VAR1 [ REAL ] , A_VAR2 [ REAL ] , A_VAR3 [ REAL ] , A_VAR4 [ REAL ] , A_VAR5 [ REAL ] , A_VAR6 [ REAL ] , A_VAR7 [ REAL ] , A_VAR8 [ REAL ] , A_VAR9 [ REAL ] , A_VAR10 [ REAL ] , A_VAR11 [ REAL ] , A_VAR12 [ REAL ] , A_VAR13 [ REAL ] , A_VAR14 [ REAL ] , A_VAR15 [ REAL ] , A_VAR16 [ REAL ] , A_VAR17 [ REAL ] , A_VAR18 [ REAL ] | mailings3 : REFID [ INTEGER ] primary_key , REF_DATE [ DATETIME ] , RESPONSE [ TEXT ] | Customers : ID [ INTEGER ] primary_key , SEX [ TEXT ] , MARITAL_STATUS [ TEXT ] , GEOID [ INTEGER ] , EDUCATIONNUM [ INTEGER ] , OCCUPATION [ TEXT ] , age [ INTEGER ] | Mailings1_2 : REFID [ INTEGER ] primary_key , REF_DATE [ DATETIME ] , RESPONSE [ TEXT ] | Sales : EVENTID [ INTEGER ] primary_key , REFID [ INTEGER ] , EVENT_DATE [ DATETIME ] , AMOUNT [ REAL ] |
-- -- What is the marital status of the customer ages 62 with an level of education of 7?

SELECT DISTINCT MARITAL_STATUS FROM Customers WHERE EDUCATIONNUM = 7 AND age = 62;