Table: vuelta_1997
Columns: stage
date
route
stage_winner
gc_leader

Question: Who is the GC leader when Laurent Jalabert was the stage winner and the stage was greater than 6?
SQL: SELECT "gc_leader" FROM vuelta_1997 WHERE "stage_winner" = 'laurent jalabert' AND "stage" > 6

Question: When did stage 5 occur?
SQL: SELECT "date" FROM vuelta_1997 WHERE "stage" = 5