CREATE TABLE table_24793 ("Pilot" TEXT, "Organization" TEXT, "Total Flights" FLOAT, "USAF space flights" FLOAT, "FAI space flights" FLOAT, "Max Mach" TEXT, "Max speed  ( mph ) " FLOAT, "Max altitude  ( miles ) " TEXT)

What was the maximum altitude for Neil Armstrong?
SELECT "Max altitude (miles)" FROM table_24793 WHERE "Pilot" = 'Neil Armstrong'
SELECT "Max altitude (miles)" FROM "table_24793" WHERE "Pilot" = 'Neil Armstrong'