CREATE TABLE table_66912 ("Stage" CLOB, "Winner" CLOB, "General classification" CLOB, "Points classification" CLOB, "Mountains classification" CLOB, "Intergiro classification" CLOB, "Trofeo Fast Team" CLOB)

Who was the winner in stage 7 with a general classification of Pavel Tonkov?
SELECT "Winner" FROM table_66912 WHERE "General classification" = 'pavel tonkov' AND "Stage" = '7'
SELECT "Winner" FROM "table_66912" WHERE "General classification" = 'pavel tonkov' AND "Stage" = '7'