CREATE TABLE table_245801_2 (duration VARCHAR2, spacecraft VARCHAR2)

When salyut 7 ve-4 eva 1 is the spacecraft, what is the duration?
SELECT duration FROM table_245801_2 WHERE spacecraft = "Salyut 7 – VE-4 – EVA 1"
SELECT "duration" FROM "table_245801_2" WHERE "Salyut 7 – VE-4 – EVA 1" = "spacecraft"