question: what's the minimum species in the peruvian amazon with peru vs. world (percent) value of 7
answer: SELECT MIN(species_in_the_peruvian_amazon) FROM table_11727969_1 WHERE peru_vs_world__percent_ = 7
context: CREATE TABLE table_11727969_1 (species_in_the_peruvian_amazon INTEGER, peru_vs_world__percent_ VARCHAR)