Table: pete_sampras_stats
Columns: outcome
year
championship
surface
opponent_in_the_final
score_in_the_final

Question: What is the score in the final in the year 1994?
SQL: SELECT "score_in_the_final" FROM pete_sampras_stats WHERE "year" = 1994

Question: Who is the championship for the year of 1993?
SQL: SELECT "championship" FROM pete_sampras_stats WHERE "year" = 1993

Question: Who is the opponent in the final when frankfurt is championship and the year is less than 1993.0?
SQL: SELECT "opponent_in_the_final" FROM pete_sampras_stats WHERE "championship" = 'Frankfurt' AND "year" < 1993.0