Question: if the estimated exposure ( mrem )/hr* is 0.28, what is the specimen weight/size?
SQL: SELECT COUNT("Specimen weight/size") FROM "1-26211058-1" WHERE "Estimated exposure ( mRem )/hr*" = '0.28';

Question: If the specimen weight /size is 1000 g / 8.79 cm, what is the estimated exposure ( mrem )/hr*?
SQL: SELECT "Estimated exposure ( mRem )/hr*" FROM "1-26211058-1" WHERE "Specimen weight/size" = '1000 g / 8.79 cm';

Question: If the calculated activity (CI) is  4.96×10 −11, what is the specimen weight/size?
SQL: SELECT "Specimen weight/size" FROM "1-26211058-1" WHERE "Calculated activity ( Ci )" = '4.96×10 −11';

Question: If the specimen weight/size is 1000 g / 8.79 cm, what is the calculated activity?
SQL: SELECT COUNT("Calculated activity ( Bq )") FROM "1-26211058-1" WHERE "Specimen weight/size" = '1000 g / 8.79 cm';