Table: pashupata_shaivism_principles
Columns: acquisition
knowledge
penance
permanence_of_the_body
constancy
purity

Question: what is the total number of constancy where purity is falling
SQL: SELECT COUNT("constancy") FROM pashupata_shaivism_principles WHERE "purity" = 'falling'

Question:  what's the permanence of the body where purity is rudra
SQL: SELECT "permanence_of_the_body" FROM pashupata_shaivism_principles WHERE "purity" = 'Rudra'

Question:  what's the permanence of the body where purity is apprehension
SQL: SELECT "permanence_of_the_body" FROM pashupata_shaivism_principles WHERE "purity" = 'apprehension'

Question:  what's the permanence of the body where penance is the undifferenced
SQL: SELECT "permanence_of_the_body" FROM pashupata_shaivism_principles WHERE "penance" = 'the undifferenced'

Question:  what's the constancy where permanence of the body is meditation
SQL: SELECT "constancy" FROM pashupata_shaivism_principles WHERE "permanence_of_the_body" = 'meditation'

Question:  what's the permanence of the body where constancy is interestedness
SQL: SELECT "permanence_of_the_body" FROM pashupata_shaivism_principles WHERE "constancy" = 'interestedness'