Table:
text: Salyut 6
Station crews
Station crews
Expedition Crew Launch_date Flight_up Landing_date Flight_down Duration_days
Salyut 6 - EP-3 Pyotr Klimuk , Miroslaw Hermaszewski - Poland 27 June 1978 15:27:21 Soyuz 30 5 July 1978 13:30:20 Soyuz 30 7.92
Salyut 6 - EO-3 Vladimir Lyakhov , Valery Ryumin 25 February 1979 11:53:49 Soyuz 32 19 August 1979 12:29:26 Soyuz 34 175.02
Salyut 6 - EO-4 Leonid Popov , Valery Ryumin 9 April 1980 13:38:22 Soyuz 35 11 October 1980 09:49:57 Soyuz 37 184.84
Salyut 6 - EP-5 Valery Kubasov , Bertalan Farkas - Hungary 26 May 1980 18:20:39 Soyuz 36 3 June 1980 15:06:23 Soyuz 35 7.87
Salyut 6 - EP-6 Yuri Malyshev , Vladimir Aksyonov 5 June 1980 14:19:30 Soyuz T-2 9 June 1980 12:39:00 Soyuz T-2 3.93

Question: How many days was the Soyuz 35 station in flight during Salyut 6 in orbit?