Table: t_1952_f1_race
Columns: race_name
circuit
date
winning_driver
constructor
report

Question: On what date was the I Dessau Autobahnspinne race?
SQL: SELECT "date" FROM t_1952_f1_race WHERE "race_name" = 'i dessau autobahnspinne'

Question: Who was the winning driver in the Sachsenring circuit?
SQL: SELECT "winning_driver" FROM t_1952_f1_race WHERE "circuit" = 'sachsenring'