Table: race_results_2005_spanish
Columns: rider
manufacturer
laps
time_retired
grid

Question: Who manufactures Makoto Tamada's vehicle?
SQL: SELECT "manufacturer" FROM race_results_2005_spanish WHERE "rider" = 'makoto tamada'

Question: What is the time/retired of the one with grid of 16?
SQL: SELECT "time_retired" FROM race_results_2005_spanish WHERE "grid" = 16